 | | Journal (issue) | | Jianghshan, Guangdong Province. I have seen others listed as coming from Hebei Province. Regardless of where...small black micro crystals of manganbabingtonite, quartz, calcite, datolite, and inesite (identity confirmed)...(8 cm) tall, and J5/g inches (4 cm) thick. The quartz from here can also be nice; I had one large clear...4 Fig. 1. Apophyllite, Jianghshan, Guangdong Province, China, photo by Dan Weinrich. neat piece. To...by a quantity of glistening '·Herkimer diamonds" quartz crystals, in which she specializes. Most of them |  | | Book (edition) | | gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |  | | Journal (issue) | | Articles Topaz from near El Chaltén, Santa Cruz Province, Argentina. . . . . . . . . . . . . . ... Topaz from near El Chaltén Santa Cruz Province, Argentina Robert Brandstetter Auweg 1, A-2831 Warth...cognac-brown, water-clear topaz crystals with milky quartz crystals and large, white feldspar crystals. INTRODUCTION...1869; it was divided in 1881 between Chile and Argentina. Despite Patagonia’s enormous size (765,720 km2;...Altiplano de Payun Matru near Malargue, Mendoza Province, Argentina have reached the international specimen market |  | | Journal (article/letter/editorial) | | that he has had cut a few rock crystals, also pale smoky crystals, from the Center, Cherokee County, Ala...the vicinity of the Gem Mine (benitoite locality), San Benito County, Calif. A description of the occurrence...is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as dark gray...crystalline galena and a litte chalcopyrite and milky quartz. A triboluminescent mineral is one which gives...greenish to deep blue, have been found in a milky quartz vein about V2 mile north of the bridge (Judd's |  | | Book (edition) | | 4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet __ Azurite, Malachite, Chrysocolla...with respect to one another. gem minerals The quartz gems, such as amethyst, form crystal prisms with...another at 60 degrees and intersected by a fourth Quartz and vertical axis at right angles to the other...other, light) FELDSPAR TWINS I J PHENACITE QUARTZ CRYSTALS ffrl (^h /&> ^& \b^ ^ VESUVIANITE...of surrounded by chalcedony easily discernible quartz crystals that crystalline only to the eye of |  | | Journal (issue) | | executed operation, thieves broke into the Geology Department at Mudd Hall, Carleton College in Northfield...Septem ber 24. According to seismographs in the Department, the thieves broke the glass on one display case...Mineralien-Fossilien-Germany Fenn's Gems & Minerals Fernandez, Luis Miguel - Spain Fersman Mineraiogical Museum - Russia...Gemini Minerals Genady Skoublov - Russia Geo Argentina - Argentina GeoCommerce - Bulgaria Geofil - Portugal...Lang's Fossils & Meteorites Lapidary Journal Leite, Luis - Portugal Lelkes Andra s - Hungary Lowe, Paul A |  | | Journal (article/letter/editorial) | | common minerals of microcline, bladed albite, and smoky quartz are enhanced by a purple or green cube of fluorite...minerals. He currently works in Chengdu, Sichuan Province, China, as a development geophysicist for Chevron...Miarolitic “Main batholith” biotite-hornblende granite quartz, microcline, beryl Moore (2009); Ross (1925) ...Rare-Element zircon, allanite, anatase, scepter quartz Roberts et al. (2009); Greenwood (1964); Barker...and related pegmatites, Belen Department, Catamarca Province, Argentina El Portezeulo and Altohuasi Granites |  | | Journal (article/letter/editorial) | | 549 E. Cedar, Globe, Ariz., sent in a massive smoky quartz specimen coated with tiny, lustrous, brown vanadinite...Arizona. ARKANSAS —• "I am sending you some unusual quartz crystals. These are from the Jeffrey Stone Quarry...of which consists of white platy barite, tiny smoky quartz xls, tiny xl masses of brassy yellow chalcopyrite...silvery muscovite flakes, white albite, and smoky quartz. Acton, in western York County, is in S/W Maine...(chiefly blue) for which mineral is noted. N O R T H CAROLINA — T h e following item on a garnet locality in |  | | Journal (article/letter/editorial) | | *65560::,<9:*/60*, ROBERT B. COOK Department of Geology and Geography Auburn University Auburn, Alabama...Rocks & Minerals, is a professor emeritus in the Department of Geology and Geography at Auburn, University...apatite, albite, muscovite, potassic feldspar, and quartz in the former, and bixbyite, topaz, sanidine, and...massive spessartine and relatively small crystals in quartz matrix occur at Jail Hill near Haddam, Connecticut...schorl specimen from the Little 3 mine, Ramona, San Diego County, California. Jesse Fisher specimen. |  | | Journal (article/letter/editorial) | | Muscovite’s name is derived from the old Russian province of Muscovy, where muscovite was used as window...silky luster, and may occur as colorless, gray, smoky brown, green, yellow, or rose-red crystals. Dark...(right). Exceptional rosettes of muscovite with quartz, 6.8 cm wide, from the Santo Niño mine, Patagonia...across, and are associated with beryl, albite, and quartz. Plumose muscovite has been found at the Smith...minerals include beryl, albite, fluorapatite, and quartz. In nearby New Hampshire, the Chandler quarry, |  | | Journal (issue) | | Printed by Allen Press, Lawrence, Kansas Front cover Quartz scepter with pyrite, 7 cm, from Spruce Ridge, King...book. Collectors have reveled in the beautiful quartz specimens from Denny Mountain and King County,...on a creek in northern B.C. in 1937. The B.C. Department of Mines purchased it for $1,500, to exhibit...Monthly, including one on pseudomorphs and one on quartz in 1888, and he wrote a detailed article for the...Exposition held in San Francisco in 1915. Several tons of garnets were shipped to the Seattle and San Francisco |  | | Report (issue) | | crystals have reached 4 meters at Cerro Blanca, Argentina. 8.4m: The largest beryl crystal at the Bumpus...phosphate type pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite...Alpine and hydrothermal veins, it is found with quartz and feldspar. In topaz rhyolites where red beryl...beryl is found, topaz, high-temperature quartz, and bixbyite are common associates of beryl. Alteration...2.87 1 (50) A bove: Beryl, topaz, a/bite, and quartz; 15 cm from the Shigar Valley, Skardu district |  | | Book (edition) | | Diamond M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^ Garnet — Azu rite, Malachite, Chrysocolla...Colorado; and Professor Jack Hanahan of Belmont, North Carolina, with locations in their respective states. ...basketful in Maine and California; emerald in North Carolina, a big diamond or two in Arkansas, opal in Idaho...fluor-spar from Derbyshire or, perhaps, a pyramid of smoky quartz from Cumberland. The next it may be rock crystal...Talc 6. Orthoclase feldspar 2. Gypsum 7. Quartz 3. Calcite 8. Topaz 4. Fluorite 9. Corundum |  | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green...sapphire, star sapphire, star ruby, rutile, and quartz are gem stones that have been successfully synthesized |  | | Journal (article/letter/editorial) | | magnetite, microcline, muscovite, olivine, pyrite, quartz, sillimanite, topaz, tourmaline, zircon, zoisite...have been donated by R. F. Henley, 4075-19th St., San Francisco 14, Calif. One is a salmon» colored massive...encrusted by colorless drusy quartz; the locality is the Aurora Quicksilver Mine in San Benito Co., Calif. A...Coast Ranges west of the San Andreas fault, extending from Marin County to San Luis Obispo County. Included...it, I am told, are some fine square crystals of quartz. About 20 miles east of there, there are a chain |  | | Journal (issue) | | wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals 14 Longview Ln...2008 associated with quartz, including distinctive and beautiful Japanlaw quartz twins. Other crystals...pseudomorphs after pyrite. The exceptional epidote and quartz specimens produced over the past 100 years have...Mineralogical Record, volume 39, May–June, 2008 Quartz and Associated Minerals from Hot Springs, Arkansas...organizers: Si Frazier and Ann Frazier Fine Arkansas quartz crystals of captivating luster, clarity and sharpness |  | | Journal (article/letter/editorial) | | 'Bi-Conoid' specimens, found around Templeton (San Luis Obispo Co.), Calif. They are actually fortification...with tourmaline, garnet, microcline and some rose quartz, on the dumps of the Ramstetter Ranch pegmatite...of Ralph's specimens. He found this cluster of quartz crystals in Stafford Springs (Tolland Co.), Conn...géodes with quartz crystals ranging in size from 1/16" to 1/4". Crystals were clear, milky, smoky, citrine...lustrous, black xls of goethite with small pale smoky quartz xls — both on drusy gray calcite which in turn |  | | Book (edition) | | and quanz, from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing...are so widespread, as in the case of the alluvial quartz gemstones of the Midwest, that it is impossible...formations containing cryptocrystalline varieties of quartz, such as agate and petrified wood, extend over...gemological literature in North America. J. s. San Diego, California 1975 Acknowledgments The folio\\...(V esuvianite), The Garnet Group. 199 246 III QUARTZ FAMILY GEMSTONES IV RARE AND UNUSUAL GEMSTONES |  | | Journal (article/letter/editorial) | | the chert have large cavities that are lined with quartz crystals. ARIZONA: David P. Record, of the Mission...locality should be recorded." Pala is in northwestern San Diego County of Southern California. COLORADO: Prof...Creek, Grand Co., Colo., and the other was a smoky quartz from Deertrail, Arapahoe Co., Colo, CONNECTICUT:...1951, I noted the request for information about quartz and selenite xl occurrences in Des Moines and Polk...have been unable to find anyone who has collected quartz xls in Des Moines or Polk Co., and I think I know |  | | Journal (issue) | | com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian packet," Smoky Hawk claim, Florissant...Colorado contains none of the Basin and Range Province that provides a geological environment conducive...most farnous collector species like amazonite, smoky quartz, rhodochrosite, fl uorite, gold and silver minerals...~ 1 Donor . ~ 1 the mining and scientific department. He established the Central City Registeroffice...this cabinet by a characteristic sample of wbite quartz, interspersed with gold, but the owner of the mine |  | | Book (volume) | | NECKLACE. Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites...treasures of gemstones, but one must look for them! JS. San Diego, California vill Gemstones of North America...Geology, Missoula, MT; Carl Scott, Scott’s Red Rose Quartz, Custer, SD; Sharon Skalko, The Amber Co., North...Figure 7. Benitoite recovery from alluvial deposits, San Benito County, CA ...........04 Figure 8. Title...11. Title page of Kunz’s description of North Carolina gemstoneS...........0:00 Figure 12. Niountennteno |  | | Journal (article/letter/editorial) | | shore of San Francisco Bay. This place is locally known as Coyote Point and is in San Mateo City, San Mateo...pounds up to several hundred. Since then the city of San Mateo has dredged out a yacht harbor (south of the...green chalcedony is from Marin County, north of San Francisco. It was picked up on a sma'l beach, approached...of jaspers and agates within a 50 mile radius of San Francisco and I think somebody should write them...impure chalcedony, and cavities containing drusy quartz crystals which are brilliant and which fluoresce |  | | Journal (article/letter/editorial) | | C O NNOI S S EUR' SCHOICE ROBERT B. COOK Department of Geology and Geography Auburn University Auburn...Minerals, is a professor of geology and head of the Department of Geology and Geography at Auburn University... felsic plutons including those of granite and quartz-monzonite composition, and roll-front and other...of autunite crystals to 8 mm associated with smoky quartz crystals have been collected (King and Foord...the old Trexler mica mine in Berks County. North Carolina has been the source of good to excellent autunite |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...major associations of Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially |  | | Book | | 44 45 xvi xiii Ruby Cerussite 46 Sapphire Quartz Malachite 47 Azurite 48 Rock crystal 88 ... Selenite 52 91 Celestite 92 Rose quartz 53 Barytes Chalcedony 54 Wulfenite Agate 55 Moss...90 50 51 Amethyst 87 Aurichalcite 49 Smoky quartz Citrine 86 64 103 Wavellite 104 105 Alexandrite...sophisticated age refers to as the conchoidal fracture of quartz. Probably by about 4500 B.C. man had learnt to...by Stone Age man, and stones of the hardness of quartz were cut and polished in pre-dynastic Egypt and |
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Carolina, Coronel Pringles Department, San Luis Province, Argentina