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Baryte : BaSO4, Sphalerite : (Zn,Fe2+)S | |
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Tri-State District, Cherokee Co., Kansas, USA Barite and Sphalerite. Specimen is from the George Vaux collection at Bryn Mawr College, Bryn Mawr, Pennsylvania, USA. Scale at bottom of image is an inch with a rule at one cm. |
| Photo ID: 228212 View Count: 40 | |
Calcite : CaCO3, Marcasite : FeS2 | |
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Fogle Quarry, Ottawa, Franklin Co., Kansas, USA Colorless crystal of transparent calcite with minute marcasite inclusions in a rhombic zone. The calcite crystal is basically a rhombic form but has many complex crystal faces in the corners. Mounted in plastic Perky box for protection. Ex. R. Bates Collection #652. Overall size of mineral specimen: 20x20x17 mm. Size of individual crystals: 20 mm. |
| © 2002 John H. Betts | Photo ID: 4649 View Count: 422 |
Calcite : CaCO3, Chalcopyrite : CuFeS2 | |
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Fogle Quarry, Ottawa, Franklin Co., Kansas, USA An excellent specimen of rhombic calcite with brown limonite surface staining with scattered micro chalcopyrite crystals. Calcite visible under staining fluoresces orange under UV illumination. Mounted in box for protection. Ex. R. Bates Collection #1310. Overall size of mineral specimen: 5.5x5.5x3 cm. Size of individual crystals: 5 mm. |
| © 2001 John H. Betts | Photo ID: 889 View Count: 369 |
Calcite : CaCO3 | |
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Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA These rounded "knob" terminations were only seen on the calcites from the Treece area. This honey-colored crystal measures 3x3x8 inches and is in the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 17663 View Count: 269 |
Calcite : CaCO3 | |
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Lone Star Cement Quarry, Bonner Springs, Wyandotte Co., Kansas, USA Large crystal on the interior of a Fossilized brachiopod. The crystal is 3mm across. Photographed by, and in the collection of, Karl Volkman. |
| © Karl Volkman04/05 | Photo ID: 31180 View Count: 220 |
Calcite : CaCO3 | |
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Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA Tremendous cabinet specimen of gem Golden Calcites on matrix! This is one of the finest Tri-State Calcite specimens that I've ever seen or owned! It almost could be confused for an Elmwood specimen if not for the matrix. The Calcite crystals are in excellent shape with transparent tips and transparent to translucent centers. They measure 12.7 ... |
| © www.exceptionalminerals.com | Photo ID: 154581 View Count: 135 |
Calcite : CaCO3, Sphalerite : (Zn,Fe2+)S, Galena : PbS | |
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Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 7.6 x 5.8 x 4.8 cm. A classic and aesthetic combination specimen from the famous Mid-Continent Mine of the Tri-State District. A 6.2 cm, lustrous and translucent, frosted, golden-amber calcite scalenohedron is jauntily attached to silicified limestone matrix covered with sphalerite and a couple of sharp galena cubes. Pristine, old material from ... |
| © Rob Lavinsky | Photo ID: 160564 View Count: 83 |
Calcite : CaCO3 | |
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Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 8.9 x 6.2 x 3.2 cm. A cluster of translucent calcite crystal, of light amber to tan color, to about 4 cm. There is something ultra-cool about this specimen: from the termination tips of each large crystal grows a second, smaller crystal of the same form, with side faces and terminations of their own! Ex. Feist Collection. |
| © Rob Lavinsky | Photo ID: 159307 View Count: 79 |
Calcite : CaCO3, Galena : PbS | |
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Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA Large Golden Calcite perched atop stacked Galena crystals! This is one impressive Tri-State specimen and I like the fact that the Calcite is DT'ed! The Galena cubes are mirror-faced and partially coated with drusy at the same time. This is just a neat old piece from a classic mining district. From the Mid Continent Mine, Treece, Picher Field, ... |
| © www.exceptionalminerals.com | Photo ID: 155196 View Count: 78 |
Calcite : CaCO3, Sphalerite : (Zn,Fe2+)S | |
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Baxter Springs, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 11.5 x 7.5 x 4.2 cm. This is an outstanding Tri-State specimen (probably 40-60 years old). Here you have four superb amber-colored calcites perfectly arranged along the edge of a matrix covered with sparkling, wine-colored sphalerites. The largest calcite measures 6.5 cm. Ex. George Feist Collection. |
| © Rob Lavinsky | Photo ID: 209862 View Count: 69 |
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