 | | Book | | do Sul, Brazil * 12.5 x 10 x 10.5 cm Page 252: Gypsum rosette, Red River floodway, Winnipeg, Manitoba...resulting in well-formed collectible crystals such as gypsum (page 252) and epidote (page 221). Solid crystal-filled...10 ct RIGHT: Round brilliant-cut white diamonds, South Africa and Canada « 2.00 ct and 3.06 ct leaves...new ones are being discovered every year. How Gypsum can we tell them apart? The first step a mineralogist...fine way to recognize their hard work! é oe Gypsum (selenite variety), Galetta, Ontario, Canada * | | | Book | | do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette, Red River floodway, Winnipeg, Manitoba...resulting in well-formed collectible crystals such as gypsum (page 252) and epidote (page 221). Solid crystal-filled...10 ct RIGHT: Round brilliant-cut white diamonds, South Africa and Canada « 2.00 ct and 3.06 ct leaves...mineral’s physical properties in order to identify Gypsum it. Many minerals have very characteristic physical...museum — a fine way to recognize their hard work! Gypsum (selenite variety), Galetta, Ontario, Canada * |  | | Book | | affect the neighbouring calcite, changing it into gypsum or into a whole series of other sulphates. Opals...in its chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite...soft, yielding environment, such as crystals of gypsum in soft clay. Crystals may also develop freely...180°) occur quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin...Twinned Crystals of (from left to right): fluorite, gypsum, cassiterite 17 grows columnar crystals of pseudo-hexagonal |  | | Book | | with Orbis Publishing Limited abcdefgh Printed in Italy by IGDA, Novara Adapted from the original Italian...1/3 antigorite 108 antimonides 8 antimonite 14 antimony 4 apatite 67, 67, 68 apophyllite 102, 102, 103...greenockite I1 greenovite 81 grossularite 78 gummite 36 gypsum 62 halides 20 halite 20 halotrichite 60 hambergite...Urals and Cornwall in England. Mercury, arsenic, antimony These native elements are not very common and...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it |  | | | | Translation © Orbis Publishing Limited 1972 Printed in Italy by |GDA, Novara SBN O 85613 0001 For many years...108 campylite 68 antimonides 8 antimonite /4 antimony 4 cannizzarite 18 carbonates 38 carnallite 20...greenockite 11 greenovite 81 grossularite 78 gummite 36 gypsum 62 halides 20 halite 20 halotrichite 60 hambergite...Urals and Cornwall in England. Mercury, arsenic, antimony These native elements are not very common and...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it is | | | Book | | Rigby Limited 30 North Terrace, Kent Town Adelaide, South Australia 5067 Printed in Czechoslovakia by Svoboda...affect the neighbouring calcite, changing it into gypsum or into a whole series of other sulphates. Opals...in its chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite...Bj I I I 14 rhodonite axinite a II o gypsum wolframite ntanite augne orthoclase barytes...soft, yielding environment, such as crystals of gypsum in soft clay. Crystals may also develop freely | | | Book | | Translation © Orbis Publishing Limited 1972 Printed in Italy by IGDA, Novara SBN O 85613 0001 For many years...113 antigorite 108 antimonides 8 antimonite 14 antimony 4 apatite 67, 67, 68 apophyllite 102, 102, 103...greenockite 11 greenovite 81 grossularite 78 gummite 36 gypsum 62 halides 20 halite 20 halotrichite 60 hambergite...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be...or slightly rotated Vitreous. Like glass 3 THE MINE Class I: native ·elements Chemical elernents found | | | Book | | its chemical con1position. Rock salt. sylvine, gypsum, ..:alcitc' and sorne iron ores, such as chamosice...rhodonite albite V "' orthociase '--....v gypsum wolframite V :.0 e _: e .. .. Cx o- -= ...soft) yielding environment, such as crystals of gypsum in soft clay. Crystals may also develop freely...180°) occur quite frequently, e.g. in cassiterite gypsum) and fluorite. In so1ne cases the growth of twin...Twinned Cry stals of (from Left to right): fluorite, gypsum, cassi1r:1rire 17 grows columnar crystals of |  | | Book | | Guastoni; Roberto Appiani. Originally published: Italy : Mondadori, 2003. [256] p. : col. photos. ; cm...CAPTIONS Page 1: Cuprite crystals from the Ray mine, Arizona Pages 2-3: Liroconite from PERFECT CLEAVAGE...Susa Valley, Piedmont, Italy Pages 8-9: Beryl from the Codera Valley, Lombardy, Italy Pages 42-43: Silver...Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119: Boracite...160-161: Elbaite crystals from the island of Elba, Italy Pages 244-245: Whewellite crystals from the Czech |  | | Journal (issue) | | mineral fiemmeite, found near San Lugano, Trentino, Italy. The review on Mineral show is dedicated to...a New Copper Oxalate from San Lugano (Trentino, Dolomites, Italy) 9 8 2 3 3 4111111ININer is MINERAL...(25 x 24 cm) from Nikolae-Maximilianovsky pit, South Urals (GMKFU #6116)—Michael B. Leybov (right) and...f copper and iron ores, limestones, dolomites, gypsum, and other rocks. A collection of copper ores,...of this collection were from Transbaikalia), and mine surveyor Yakovlev from the Southern Urals. By the | | | Book | | Guastoni; Roberto Appiani. Originally published: Italy: Mondadori, 2003. (256} p. : col. phptos. ; cm....mineral; it is expressed on a scale from 1 to 10. Ray mine, Arizona Pages 2-3: Liroconite from Cornwall, England...Valley, Piedmont, Italy Pages 8- 9: 13eryl from the Codera Valley, Lombardy, Italy Pages 42- 43: Silver...Mount Bregaceto, Liguria, Italy Pages 104-105: Azurite crystals from Sardinia, Italy Pages 118-119: Boracite...160-161: Elbaite crystals from the island of Elba, Italy Pages 244-245: Whewellite crystals from the Czech |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...size of crystal (barely 0.2 carat) shown below. South Africa. Below right Coarsely foliated graphite....Law etc. (cf. also pyrite, p. 92; quartz, p. 127; gypsum, p. 177; feldspar, p. 242, etc.). A twinned crystal...pyrolusite, or other minerals. Tabular minerals (gypsum, barite, hematire) may occasionally form rosettes...hernacite calcite, magnesite, dolomite anh~drite, gypsum apatite olivine, andalusite, kyanite, staurolite |  | | Catalog/List | | ...... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and coatings on monzonite .....Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...beautiful opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white... R. ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray |  | | Book | | Sterling Publishing Company, Inc. 387 Park Avenue South, New York, N.Y. 10016 Original edition published...blance blance to scales, rose petals, rosettes (gypsum rose); actinohte); 8 disordered fibrous bearing...Simple testing devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz...and volcanic vents. Accompanied by: halite, soda, gypsum, calcite, colemamte, kernite, ulexite. Found in:...with volcanic vents. Found in: Tuscany, Vesuvius/Italy; Kamchatka/USSR; Ladakh/India; California, Nevada/USA | | | Book | | Sterling Publi shing Company, Inc. 387 Park Avenue South, New York , N .Y. 10016 Ori ginal edition publi...multiple twinning .. -toclas Staurolite 14 Gypsum Mineral Aggregates When several minerals- in...some resemblance to scales, rose petals, rosettes (gypsum rose); 3 radial bearing some resemblance to radial...SimEle tes ting devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz...and volcanic vents. Accompanied by: halite, soda, gypsum, calcite, colemanite, kernite, ulexite. Found in: | | | Book | | by Sterling Publishing Company 387 Park Avenue South, New York, N.Y. 10016 Original edition published...some resemblance to scales, rose petals, rosettes (gypsum rose); 3 radial bearing some resemblance to radial...Mineral SimEle testing devices 1 2 3 4 5 6 7 talc gypsum calcite fluorite apatite orthoclase quartz topaz...and volcanic vents. Accompanied by: halite, soda, gypsum, calcite, colemanite, kernite, ulexite. Found in:...with volcanic vents. Found in: Tuscany, Vesuvius/Italy; Kamchatka/USSR; Ladakh/India; California, Nevada/USA |  | | Book (edition) | | orpiment (holohedral) azurite malachite 2/m gypsum OA2.P epidote pyroxenes amphiboles micas monoclinic...orthoclase; (3, 4) contact twins of fluorite gypsum (.swallowtail) and cassiterite (intergrowth);...micaceous in this case), the tabular aggregates of gypsum and barite, and the radiating- spherulitic aggregates...minerals: for example, "swallowtail" crystals of gypsum, small "v" s in intergrowing crystals of cassiterite...HARDNESS minium powder ( + 1. TALC 6. 2. GYPSUM 7. ) 3. 4. 5. sulfur ^/sjpowder (_) positive |  | | Journal (article/letter/editorial) | | 20013 pohwatp@si.edu FLUORITE Part 2 Huanggang Mine, Inner Mongolia, China T he first part of this...this column concentrated on the North and South American fluorite localities (Pohwat 2013). In this installment...northern England, particularly from the Rogerley mine, has made these classic specimens available once...made of the complex crystals from the Trevaunce mine, St. Agnes. The crystals on the Smithsonian specimens...crystals to 2 cm have been recorded.The East Pool mine has produced crystals to 6 cm in colors ranging |  | | Book | | Chrysoberyl 94 Crocoite Halite 59 Bloodstone 89 Gypsum - 90 50 51 Amethyst 87 Aurichalcite 49 Smoky...sea water. Examples are halite (rock salt) and gypsum. Another sedimentary mineral which produces impressive...including deposition around volcanic craters. Halite, gypsum and sulphur are x often associated. Deposits...of rosettes (e.g. the 'desert roses' produced by gypsum and barytes). As noted above, minerals only form...ascending order of hardness, is as follows: 1 Talc 2 Gypsum 3 Calcite 4 Fluorspar 5 Apatite 6 Feldspar 7 Quartz |  | | Book (edition) | | Bulgaria, G SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...ability of an opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho-...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia, Africa...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some | | | Book | | Sterling Publishing Company, Inc. 387 Park Avenue South , New York, N.Y. 10016 Original edition published...1 '1 14 l ,I Chr soberyl uartz Staurolite Gypsum Mineral Aggregates \\'hen sen:r:tl mmer.ils-m...resemb lance co scales, rose petals, rosettes (gypsum rose); 3 radial bearmg some resemblance to radial...Mohs' hardness l 2 3 4 5 6 7 8 9 10 Mineral talc gypsum calcite fluorite apatite orthoclase quartz topaz...and volcanic vents. Accompanied by: halite, soda, gypsum, calcite, colemanire, kernite, ulexite. Found in: |  | | Catalog/List | | Soda. This specimen was obtained L. Selinas, South America. vjCu r'^^'Vate Triv. contains distinct...Triv. Blue Vit- Chem. Sulphate of Copper. Parys mine, Anglesea. 13. L. 14. Ar. Genus VII. Sp. 1. ...29. L. 30. L. HJILOIDE. GvFSUM-HALomE. Triv. Gypsum. Chem. Sulphate of Lime. Oxfordshire, England....H. Sp. 27. L. I. I. II. 1. Prismatoidal Gypsum-Haloide. (efflorescing.) 31. L. Ischel, Austria...Niagara, New-York. Crystals imbedded in earthy gypsum. 36. L. England. 36. L. England. 37. L. Lockport |  | | Journal (article/letter/editorial) | | Evidence as to the Origin of the Dolomites of Southern Tyrol." By Prof. Ernest Willington Skeats, D.Sc, F.G.S...Dolomites of Southern Tyrol. The chemical examination of numerous specimens from the Schlern dolomites of the...the Schlern, the Langkofl, the Marmolata, the Sella, the St. Cassian district, the Eichthofen Eeef, and...insoluble residue. It is therefore probable that the Schlern dolomites represent a Triassic ' coral-reef,' using...rock; while the Eaibl Dolomite, associated with gypsum, was formed by the concentration of sea-water in |  | | Book (edition) | | Pyroxene. Fig. 178. Fig. 177. Amphibole. Fig. 181. Gypsum. Fig. 182. Orthoclase. and c axes. For instance...perfect, as in the cases of the micas, calcite, gypsum, etc., or they may be more or less obscure. Cleavage...MANUAL OF MINERALOGY Scale of Hardness. 1. Talc. 2. Gypsum. 3. Calcite. 4. 5. 6. 7. Fluorite. Apatite. Orthoclase...little over 2 in hardness, since it can scratch gypsum and not calcite. A cent is about 3 in hardness...lead, zinc, silver, gold, tin, mercury, nickel, antimony, arsenic, etc., all of which form much less than |  | | Book | | photocopying, recording or otherwise, without the prior w ritten permission of the copyright holder. Previously...sought after by rock hunters. Here are 'daisy' gypsum (top), 'dogtooth spar' calcite (left centre), 'blue...history. Prehistoric artists from the San people of South Africa to the ancient Egyptians ground rocky soil...the the discovery of a Austrian gemstone, such as Tyrol and in ruby (left) or even a Cornwall. diamond (above)...west coast of Africa mirrored the east coast of South America. H e also noticed amazing matches between |
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