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Mammothite Mineral Data + |
General Mammothite Information |
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| Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16 | |||
| Molecular Weight = 2,284.17 gm | |||
| Aluminum 1.18 % Al 2.23 % Al2O3 | |||
| Copper 11.13 % Cu 13.93 % CuO | |||
| Antimony 5.33 % Sb 7.08 % Sb2O5 | |||
| Hydrogen 0.71 % H 6.31 % H2O | |||
| Lead 54.43 % Pb 58.63 % PbO | |||
| Sulfur 2.81 % S 7.01 % SO3 | |||
| Chlorine 6.21 % Cl 6.21 % Cl | |||
| - % Cl -1.40 % -O=Cl2 | |||
| Oxygen 18.21 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Pb6Cu4AlSbO2(SO4)2Cl4(OH)16 | |||
| Secondary lead mineral. | |||
| Approved IMA 1985 | |||
| Mammoth vein, Tiger, Arizona, USA and from Laurium, Attika, Greece. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| ICSD 30992 | |||
| PDF 38-389 | |||
Mammothite Image | |||
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Mammothite Crystallography |
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| a:b:c =2.5825:1:1.573 | |||
| a = 18.933, b = 7.331, c = 11.532, Z = 2; beta = 112.43° V = 1,479.52 Den(Calc)= 5.13 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | |||
| By Intensity(I/Io): 2.896(1), 6.67(0.9), 4.72(0.8), | |||
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Mouse |
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Physical Properties of Mammothite |
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| [010] Distinct | |||
| Bright blue, Greenish blue, Pale blue. | |||
| 5.25 | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Acicular - Occurs as needle-like crystals. | |||
| Microscopic Crystals - Crystals visible only with microscopes. | |||
| Tabular - Form dimensions are thin in one direction. | |||
| 3 - Calcite | |||
| Non-fluorescent. | |||
| Vitreous (Glassy) | |||
| pale blue | |||
Optical Properties of Mammothite |
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| CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.024 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1747,KPDmeas= 0.1707,KC= 0.1706 |
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| Biaxial (+), a=1.868, b=1.892, g=1.928, bire=0.0600, 2V(Calc)=80, 2V(Meas)=80. | |||
| pale blue. | |||
| blue. | |||
| blue. | |||
Calculated Properties of Mammothite |
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relectron=4.58 gm/cc |
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| Fermion Index = 0.12058 Boson Index = 0.87942 |
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PEMammothite = 982.11 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Mammothite is Not Radioactive |
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Mammothite Classification |
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| 30.1.14.1 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen | |||
| (30.1)where (A B)m (XO4)p Zq where m:p>2:1 | |||
| (30.1.14)Dana Group | |||
| VI/B.10-50 VI - Sulfates,Chromates,Molybdates and Tungstates | |||
| VI/B - Waterfree sulfates [SO4]2- with unfamiliar anions. cations of medium size | |||
| VI/B.10 - Linarite - Mammothite series | |||
Other Mammothite Information |
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| NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | |||
| Links to other databases for Mammothite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST 12 -École des Mines de Paris Search for Mammothite using: Visit our Advertisers for Mammothite : Translate Mammothite Mineral Data : Ask about Mammothite here : Print or Cut-and-Paste your Mammothite Specimen Label here :
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