[Minerals] [Gems] [Sale Items] [Gold Rings] [Big Stuff] [Main Page] Shop early for Holiday Season and get the best stuff. You can put it on layaway for up to six weeks! General Quintinite-2H InformationMg4Al2(OH)12CO3•4(H2O) |
Molecular Weight = 487.34 gm |
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Magnesium 19.95 % Mg 33.08 % MgO |
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Aluminum 11.07 % Al 20.92 % Al2O3 |
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Hydrogen 4.14 % H 36.97 % H2O |
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Carbon 2.46 % C 9.03 % CO2 |
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Oxygen 62.38 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Mg4Al2(OH)12(CO3)•4(H2O) |
Related to caresite-2H, charmarite-2H and charmarite-3T. |
Approved IMA 1995 |
Found in the Jacupiranga mine, São Paulo, Brazil. Link to MinDat.org Location Data. |
Named after Quintin Wight (b. 1935), of Ottawa, Ontario, Canada, significant contributor to mineral studies at Mont Saint-Hilaire, and author of The Complete Book of micromounting ( 1993). |
Quintinite-2H + Pronunciation |
IMA1992-028 |
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Quintinite-2H Crystallographya:c = 1:1.43515 |
a = 10.571, c = 15.171, Z = 4; V = 1,468.17 Den(Calc)= 2.20 |
Hexagonal - TrapezohedralH-M Symbol (6 2 2) Space Group: P 6322 |
By Intensity(I/Io): 3.785(1), 7.63(1), 1.825(0.2), |
| Physical Properties of Quintinite-2H{0001} Perfect |
Colorless, Deep orange red, Orange, Pale brown. |
2.14 |
Transparent |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
2 - Gypsum |
Vitreous (Glassy) |
white |
| Optical Properties of Quintinite-2HCI meas= 0.02 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.047 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2423,KPDmeas= 0.2491,KC= 0.2542 Ncalc = 1.54 - 1.56 Uniaxial (+), w=1.533, e=1.533, bire=0.0000. |
| Calculated Properties of Quintinite-2HBulk Density (Electron Density)=2.21 gm/cc |
note: Specific Gravity of Quintinite-2H =2.14 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEQuintinite-2H = 0.90 barns/electron |
U=PEQuintinite-2H x rElectron Density= 2.00 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Quintinite-2H is Not Radioactive | Quintinite-2H Classification16b.06.04.01 (16b)Carbonates - Hydroxyl or Halogen |
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(16b.06)Dana Type |
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(16b.06.04)Quintinite - Charmarite Group |
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05.DA.40 05 - CARBONATES (NITRATES) |
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05.D - Carbonates with Additional Anions, with H2O |
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05.DA -With medium-sized cations |
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| Other Quintinite-2H InformationNAME( CanMin, 8/99) PHYS. PROP.(Am.Min.,Vol.83,p1347,1998) OPTIC PROP.(Am.Min.,Vol.83,p1347,1998) |
Links to other databases for Quintinite-2H : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Quintinite-2H using: Visit our Advertisers for Quintinite-2H : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Quintinite-2H Mineral Data : Ask about Quintinite-2H here : Print or Cut-and-Paste your Quintinite-2H Specimen Label here :
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