Greaterville Mining District, Pima County, Arizona, USA

Native Gold

Chispa Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

A VERY IMPORTANT Arizona locality gold specimen, weighing in at 105.6 grams (and thus it is worth at least half this value if you simply melt it down!), from several prominent collections. The Bowman collection was well known in Arizona, and Ed David is of course famous for his rich suites of native elements. This was exchanged recently from Ed. ...

© Rob Lavinsky & irocks.com

Native Gold

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Crystalline Gold from Greaterville. 6mm field of view. Michael Cline specimen and photograph.

© Michael D. Cline

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Received in a trade from Mark Ascher of Tucson. FOV 2mm.

© Steve Sorrell

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

Size: H: 6.5 cm x W: 4.8 cm x D: 4.5 cm Minute crystals of Aragonite grown into a coroidal structure, snow white in colour in the central heart tinted beige at endings. Comes from the Cave of the Bells. Aragonite corallienne de la "grotte aux cloches" (Cave of the Bells - Arizona) Ex Tony Ellis Ex Broadstone Minerals The "Blue John" ...

© Olivier Mével - The "Blue John" Mineral Collection

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Wulfenite "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Conglomeration of zoned wulfenite "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 3 nn in length. Photo and specimen: Steve Stuart.

© SMS 2010

Native Gold, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

This is a robust, very impressive crystalline gold specimen from one of the rarest of USA gold localities. Slender intergrown wires of gold have formed a nested appearance, thus adding to its overall beauty. A few tiny quartz crystals are attached at the base. According to MINDAT: Workings include underground openings comprised of 4 inclined ...

© Rob Lavinsky & iRocks.com

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Zoned wulfenite crystal "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

10.8 x 7.0 x 4.8 cm. Mineral specimens from this Pima County cave are rare and seldom available. This impressive and sculptural large cave aragonite consists of two generations of aragonite, botryoidal stalactites richly capped by striking spikes. Choice two-sided material from the Tom Wolfe Calcite Collection.

© Rob Lavinsky & irocks.com

Native Gold, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated gold on quartz with jarosite. Collected by Ewald Muller at an area just to the northeast of the Arrastra Mine on the hilliside. Rolf Luetcke photo.

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Long pyramidal wulfenite crystals "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Native Gold, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

This is a robust, very impressive crystalline gold specimen from one of the rarest of USA gold localities. Slender intergrown wires of gold have formed a nested appearance, thus adding to its overall beauty. A few tiny quartz crystals are attached at the base. According to MINDAT: Workings include underground openings comprised of 4 inclined ...

© Rob Lavinsky & iRocks.com

Galena (Var: Silver-bearing Galena), Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray, metallic, curved cleavages of galena in quartz. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Calcite, Galena

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White cleavages of calcite with silvery, metallic cleavages of galena and other minerals. Rolf Luetcke specimen and photo.

Covellite, Anglesite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-purple, platy covellite crystals with gray anglesite and other unidentified minerals in quartz. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

10.8 x 7.0 x 4.8 cm. Mineral specimens from this Pima County cave are rare and seldom available. This impressive and sculptural large cave aragonite consists of two generations of aragonite, botryoidal stalactites richly capped by striking spikes. Choice two-sided material from the Tom Wolfe Calcite Collection.

© Rob Lavinsky & irocks.com

Goethite, Jarosite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black, shiny, botryoidal goethite on quartz with brown jarosite. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Bornite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-black, broken surface of bornite in quartz. Rolf Luetcke specimen and photo.

Cerussite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless cerussite crystals with a blue green which may be rosasite in quartz. Rolf Luetcke specimen and photo.

Covellite, Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-purple, tiny, platy crystals of covellite over silvery pyrite with quartz. Rolf Luetcke specimen and photo.

Sphalerite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Grayish-brown, crude sphalerite crystals in quartz. Rolf Luetcke specimen and photo.

Jarosite, Hematite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown, sharp, platy crystals of jarosite on hematite coated quartz. Rolf Luetcke specimen and photo.

Jarosite, Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Brown with a dark gray coating of hematite. Collected on a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Calcite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White cleavages of calcite. Rolf Luetcke specimen and photo.

Cerussite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Cluster of white cerussite crystals on iron oxide matrix on quartz. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

This is a micromount specimen of aragonite from the Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona. I acquired this specimen from Rob Nowakowski at the 2019 Detroit mineral show. Jamison K. Brizendine specimen and photo.

© Jamison K. Brizendine

Galena

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Silvery-gray, metallic cleavages of galena with dark gray anglesite in quartz. Rolf Luetcke specimen and photo.

Pyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Silvery, metallic pyrite in a pocket in quartz. Rolf Luetcke specimen and photo.

Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Slightly yellowish quartz crystals, lightly coated by iron oxides. Rolf Luetcke specimen and photo.

Chalcopyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Golden chalcopyrite in quartz with a portion of a crystal at right. Rolf Luetcke specimen and photo.

Anglesite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless anglesite crystal. Rolf Luetcke specimen and photo.

Kaolinite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White layer of kaolinite with unknown black mineral on quartz. Rolf Luetcke specimen and photo.

Galena, Pyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray-silvery, cleavages of metallic galena in quartz with a layer of an unknown blue-gray mineral surrounding the galena. Rolf Luetcke specimen and photo.

Native Sulphur

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Light yellow, translucent, rounded sulphur on iron stained quartz. Collected on a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Anglesite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray to light tan anglesite in massive, banded form and some small crystals in quartz. Rolf Luetcke specimen and photo.

Wulfenite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown, pyramidal crystals of wulfenite, colored by iron oxides, in a quartz pocket. Rolf Luetcke specimen and photo.

Malachite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Green, acicular cluster of malachite crystals in quartz. Rolf Luetcke specimen and photo.

Jarosite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Brown crystals of jarosite in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Chalcopyrite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Small, broken crystal of chalcopyrite in quartz. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Limonite, Hematite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy limonite with gray-brown hematite in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Limonite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy coating of limonite over quartz crystals. Rolf Luetcke specimen and photo.

Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Crystal of pyrite in quartz. Rolf Luetcke specimen and photo.

Quartz, Anglesite, Hematite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless quartz crystal with gray anglesite and brown hematite, with silvery inclusions of probable hematite in the quartz. Rolf Luetcke specimen and photo.

Orthoclase, Hematite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Cleavages of orthoclase in earthy hematite stained quartz. Former Ewald Muller collection. Rolf Luetcke specimen and photo.

Muscovite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, tiny, platy muscovite crystals, probably colored by limonite in a quartz pocket. Rolf Luetcke specimen and photo.

Goethite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown to black goethite pseudomorphs after original pyrite on quartz. Rolf Luetcke specimen and quartz.

Malachite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Green malachite in a pocket in quartz with other unknown minerals. Rolf Luetcke specimen and photo.

Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Pyrite crystals in quartz. Rolf Luetcke specimen and photo.

Hematite, Limonite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown to nearly black, earthy hematite with yellow, earthy limonite in a pocket in quartz. Rolf Luetcke specimen and photo.

Muscovite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, platy muscovite crystals, colored by iron oxides in quartz. Rolf Luetcke specimen and photo.

Wulfenite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Light brown, elongated, pyramidal crystals in iron oxides. Rolf Luetcke specimen and photo.

Native Gold, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated gold on quartz with jarosite. Collected by Ewald Muller at an area just to the northeast of the Arrastra Mine on the hilliside. Rolf Luetcke photo.

Pyrite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Silvery pyrite crystals, imbedded in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Hematite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark, platy hematite crystals in a quartz pocket. Rolf Luetcke specimen and photo.

Quartz, Galena, Anglesite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to white quartz crystal with gray-silvery, metallic galena and gray anglesite. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.

Cerussite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Broken group of white cerussite surfaces on iron oxide matrix on quartz. Rolf Luetcke specimen and photo.

Chalcopyrite, Galena, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Golden, massive chalcopyrite with multicolored tarnish with dark gray galena and quartz. Rolf Luetcke specimen and photo.

Limonite, Hematite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy limonite with reddish, earthy hematite and a mix of other iron oxides. Rolf Luetcke specimen and photo.

Galena, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Specimen of galena in quartz. Collected at an area just northeast of the Arrastra Mine on the hillside by Ewald Muller. Rolf Luetcke photo.

Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Multi colored hematite variety turgite on quartz. Collected by Ewald Muller on a small dump to the northeast of the mine on the hillside. Rolf Luetcke specimen and photo.

Jarosite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Brown mass of jarosite in tiny, platy crystals in iron oxides. Rolf Luetcke specimen and photo.

Goethite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black goethite pseudomorph after pyrite in quartz. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Native Sulphur

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Light yellow, translucent, rounded sulphur on iron stained quartz. Collected on a small dump on the hillside just to the northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Baryte, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

White to slightly yellow due to iron oxides in quartz. Collected just northeast of the Arrastra Mine at a small dump on the side of the hill. Rolf Luetcke specimen and photo.

Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Flattened quartz crystal in iron oxide stained quartz. Collected at a small dump on the hillside just to the northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Anglesite, Galena, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to gray, translucent anglesite with silvery, metallic galena and iron oxide stained quartz. Collected just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black, platy crystals of hematite called specular hematite with quartz. Collected at a small dump on the hillside northwest of the Arrastra Mine. Rolf Luetcke specimen and photo.

Azurite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue azurite with other unidentified minerals in massive quartz. Rolf Luetcke specimen and photo.

Cerussite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to whitish cerussite in iron oxides. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.

Baryte, Hematite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Baryte crystals on hematite and other iron oxides over quartz. Rolf Luetcke specimen and photo.

Gypsum, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless gypsum crystals in a pocket in quartz coated by iron oxides. Collected at a small dump a bit northeast of the Arrastra Mine on the hill. Rolf Luetcke specimen and photo.

Cerussite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated cerussite in and coated by iron oxides. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Native Gold

Chispa Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

A VERY IMPORTANT Arizona locality gold specimen, weighing in at 105.6 grams (and thus it is worth at least half this value if you simply melt it down!), from several prominent collections. The Bowman collection was well known in Arizona, and Ed David is of course famous for his rich suites of native elements. This was exchanged recently from Ed. ...

© Rob Lavinsky & irocks.com

Native Gold

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Crystalline Gold from Greaterville. 6mm field of view. Michael Cline specimen and photograph.

© Michael D. Cline

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Received in a trade from Mark Ascher of Tucson. FOV 2mm.

© Steve Sorrell

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Conglomeration of zoned wulfenite "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 3 nn in length. Photo and specimen: Steve Stuart.

© SMS 2010

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

Size: H: 6.5 cm x W: 4.8 cm x D: 4.5 cm Minute crystals of Aragonite grown into a coroidal structure, snow white in colour in the central heart tinted beige at endings. Comes from the Cave of the Bells. Aragonite corallienne de la "grotte aux cloches" (Cave of the Bells - Arizona) Ex Tony Ellis Ex Broadstone Minerals The "Blue John" ...

© Olivier Mével - The "Blue John" Mineral Collection

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Wulfenite "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Native Gold, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

This is a robust, very impressive crystalline gold specimen from one of the rarest of USA gold localities. Slender intergrown wires of gold have formed a nested appearance, thus adding to its overall beauty. A few tiny quartz crystals are attached at the base. According to MINDAT: Workings include underground openings comprised of 4 inclined ...

© Rob Lavinsky & iRocks.com

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Zoned wulfenite crystal "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

10.8 x 7.0 x 4.8 cm. Mineral specimens from this Pima County cave are rare and seldom available. This impressive and sculptural large cave aragonite consists of two generations of aragonite, botryoidal stalactites richly capped by striking spikes. Choice two-sided material from the Tom Wolfe Calcite Collection.

© Rob Lavinsky & irocks.com

Native Gold, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

This is a robust, very impressive crystalline gold specimen from one of the rarest of USA gold localities. Slender intergrown wires of gold have formed a nested appearance, thus adding to its overall beauty. A few tiny quartz crystals are attached at the base. According to MINDAT: Workings include underground openings comprised of 4 inclined ...

© Rob Lavinsky & iRocks.com

Native Gold, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated gold on quartz with jarosite. Collected by Ewald Muller at an area just to the northeast of the Arrastra Mine on the hilliside. Rolf Luetcke photo.

Wulfenite

Fulton Mine, Succor Gulch, Empire Ranch area, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Long pyramidal wulfenite crystals "collected" from the giveaway table at the 2010 Tucson Micromineral Symposium. Image is about 2 mm in length. Photo and specimen: Steve Stuart.

© SMS 2010

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Galena (Var: Silver-bearing Galena), Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray, metallic, curved cleavages of galena in quartz. Rolf Luetcke specimen and photo.

Calcite, Galena

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White cleavages of calcite with silvery, metallic cleavages of galena and other minerals. Rolf Luetcke specimen and photo.

Goethite, Jarosite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black, shiny, botryoidal goethite on quartz with brown jarosite. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Covellite, Anglesite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-purple, platy covellite crystals with gray anglesite and other unidentified minerals in quartz. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

10.8 x 7.0 x 4.8 cm. Mineral specimens from this Pima County cave are rare and seldom available. This impressive and sculptural large cave aragonite consists of two generations of aragonite, botryoidal stalactites richly capped by striking spikes. Choice two-sided material from the Tom Wolfe Calcite Collection.

© Rob Lavinsky & irocks.com

Bornite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-black, broken surface of bornite in quartz. Rolf Luetcke specimen and photo.

Cerussite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless cerussite crystals with a blue green which may be rosasite in quartz. Rolf Luetcke specimen and photo.

Covellite, Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue-purple, tiny, platy crystals of covellite over silvery pyrite with quartz. Rolf Luetcke specimen and photo.

Jarosite, Hematite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown, sharp, platy crystals of jarosite on hematite coated quartz. Rolf Luetcke specimen and photo.

Sphalerite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Grayish-brown, crude sphalerite crystals in quartz. Rolf Luetcke specimen and photo.

Jarosite, Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Brown with a dark gray coating of hematite. Collected on a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Calcite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White cleavages of calcite. Rolf Luetcke specimen and photo.

Cerussite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Cluster of white cerussite crystals on iron oxide matrix on quartz. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

This is a micromount specimen of aragonite from the Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona. I acquired this specimen from Rob Nowakowski at the 2019 Detroit mineral show. Jamison K. Brizendine specimen and photo.

© Jamison K. Brizendine

Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Slightly yellowish quartz crystals, lightly coated by iron oxides. Rolf Luetcke specimen and photo.

Galena

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Silvery-gray, metallic cleavages of galena with dark gray anglesite in quartz. Rolf Luetcke specimen and photo.

Pyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Silvery, metallic pyrite in a pocket in quartz. Rolf Luetcke specimen and photo.

Chalcopyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Golden chalcopyrite in quartz with a portion of a crystal at right. Rolf Luetcke specimen and photo.

Anglesite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless anglesite crystal. Rolf Luetcke specimen and photo.

Kaolinite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

White layer of kaolinite with unknown black mineral on quartz. Rolf Luetcke specimen and photo.

Anglesite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray to light tan anglesite in massive, banded form and some small crystals in quartz. Rolf Luetcke specimen and photo.

Galena, Pyrite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Gray-silvery, cleavages of metallic galena in quartz with a layer of an unknown blue-gray mineral surrounding the galena. Rolf Luetcke specimen and photo.

Native Sulphur

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Light yellow, translucent, rounded sulphur on iron stained quartz. Collected on a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Wulfenite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown, pyramidal crystals of wulfenite, colored by iron oxides, in a quartz pocket. Rolf Luetcke specimen and photo.

Malachite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Green, acicular cluster of malachite crystals in quartz. Rolf Luetcke specimen and photo.

Jarosite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Brown crystals of jarosite in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Limonite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy coating of limonite over quartz crystals. Rolf Luetcke specimen and photo.

Chalcopyrite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Small, broken crystal of chalcopyrite in quartz. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Limonite, Hematite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy limonite with gray-brown hematite in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Crystal of pyrite in quartz. Rolf Luetcke specimen and photo.

Quartz, Anglesite, Hematite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Colorless quartz crystal with gray anglesite and brown hematite, with silvery inclusions of probable hematite in the quartz. Rolf Luetcke specimen and photo.

Orthoclase, Hematite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Cleavages of orthoclase in earthy hematite stained quartz. Former Ewald Muller collection. Rolf Luetcke specimen and photo.

Malachite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Green malachite in a pocket in quartz with other unknown minerals. Rolf Luetcke specimen and photo.

Muscovite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, tiny, platy muscovite crystals, probably colored by limonite in a quartz pocket. Rolf Luetcke specimen and photo.

Goethite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown to black goethite pseudomorphs after original pyrite on quartz. Rolf Luetcke specimen and quartz.

Pyrite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Pyrite crystals in quartz. Rolf Luetcke specimen and photo.

Hematite, Limonite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark brown to nearly black, earthy hematite with yellow, earthy limonite in a pocket in quartz. Rolf Luetcke specimen and photo.

Muscovite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, platy muscovite crystals, colored by iron oxides in quartz. Rolf Luetcke specimen and photo.

Native Gold, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated gold on quartz with jarosite. Collected by Ewald Muller at an area just to the northeast of the Arrastra Mine on the hilliside. Rolf Luetcke photo.

Wulfenite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Light brown, elongated, pyramidal crystals in iron oxides. Rolf Luetcke specimen and photo.

Pyrite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Silvery pyrite crystals, imbedded in quartz. Collected at a small dump on the hillside just northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Hematite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Dark, platy hematite crystals in a quartz pocket. Rolf Luetcke specimen and photo.

Quartz, Galena, Anglesite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to white quartz crystal with gray-silvery, metallic galena and gray anglesite. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.

Cerussite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Broken group of white cerussite surfaces on iron oxide matrix on quartz. Rolf Luetcke specimen and photo.

Galena, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Specimen of galena in quartz. Collected at an area just northeast of the Arrastra Mine on the hillside by Ewald Muller. Rolf Luetcke photo.

Chalcopyrite, Galena, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Golden, massive chalcopyrite with multicolored tarnish with dark gray galena and quartz. Rolf Luetcke specimen and photo.

Limonite, Hematite

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Yellow, earthy limonite with reddish, earthy hematite and a mix of other iron oxides. Rolf Luetcke specimen and photo.

Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Multi colored hematite variety turgite on quartz. Collected by Ewald Muller on a small dump to the northeast of the mine on the hillside. Rolf Luetcke specimen and photo.

Jarosite

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Brown mass of jarosite in tiny, platy crystals in iron oxides. Rolf Luetcke specimen and photo.

Goethite, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black goethite pseudomorph after pyrite in quartz. Collected at a small dump just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Flattened quartz crystal in iron oxide stained quartz. Collected at a small dump on the hillside just to the northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Native Sulphur

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Light yellow, translucent, rounded sulphur on iron stained quartz. Collected on a small dump on the hillside just to the northeast of the Arrastra Mine. Rolf Luetcke specimen and photo.

Baryte, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

White to slightly yellow due to iron oxides in quartz. Collected just northeast of the Arrastra Mine at a small dump on the side of the hill. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Anglesite, Galena, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to gray, translucent anglesite with silvery, metallic galena and iron oxide stained quartz. Collected just northeast of the Arrastra Mine on the hillside. Rolf Luetcke specimen and photo.

Hematite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Black, platy crystals of hematite called specular hematite with quartz. Collected at a small dump on the hillside northwest of the Arrastra Mine. Rolf Luetcke specimen and photo.

Baryte, Hematite, Quartz

Yuba Mine, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Baryte crystals on hematite and other iron oxides over quartz. Rolf Luetcke specimen and photo.

Azurite, Quartz

St. Louis Mine, St. Louis Gulch, Hughes Gulch, Greaterville placer deposits, Greaterville, Greaterville Mining District, Pima County, Arizona, USA

Blue azurite with other unidentified minerals in massive quartz. Rolf Luetcke specimen and photo.

Cerussite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless to whitish cerussite in iron oxides. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.

Aragonite

Cave of the Bells, Sawmill Canyon, Greaterville Mining District, Pima County, Arizona, USA

8.7 x 7.1 x 6.0 cm. This is a nice small cabinet specimen featuring beautiful white botyroidal groups of aragonite in typical "cave formation" growth. This specimen comes from the collection of Willard W. Wulff (1904-1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of ...

© Rob Lavinsky & irocks.com

Gypsum, Quartz

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Colorless gypsum crystals in a pocket in quartz coated by iron oxides. Collected at a small dump a bit northeast of the Arrastra Mine on the hill. Rolf Luetcke specimen and photo.

Cerussite

Arrastra Mine, Greaterville Mining District, Pima County, Arizona, USA

Elongated cerussite in and coated by iron oxides. Collected just northeast of the Arrastra Mine at a small dump on the hillside. Rolf Luetcke specimen and photo.