Antlerite Mineral Data
General Antlerite Information
Chemical Formula:
Cu3(SO4)(OH)4
Composition:
Molecular Weight = 354.73 gm
Copper 53.74 % Cu 67.27 % CuO
Hydrogen 1.14 % H 10.16 % H2 O
Sulfur 9.04 % S 22.57 % SO3
Oxygen 36.08 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Cu3 (SO4 )(OH)4
Environment:
Secondary, weathered zone of carbonate-poor copper deposits.
IMA Status:
Valid Species (Pre-IMA) 1889
Locality:
Antler mine, Mojave Co., Arizona. Link to MinDat.org Location Data.
Name Origin:
Named after its locality.
Name Pronunciation:
Antlerite + Pronunciation
Synonym:
ICSD 203067
PDF 7-407
Antlerite Image
Images:
Images:
Antlerite Crystallography
Axial Ratios:
a:b:c =0.6872:1:0.5029
Cell Dimensions:
a = 8.24, b = 11.99, c = 6.03, Z = 4; V = 595.75 Den(Calc)= 3.95
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
X Ray Diffraction:
By Intensity(I/Io ): 4.86(1), 2.566(0.85), 3.6(0.75),
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Physical Properties of Antlerite
Cleavage:
{010} Perfect
Color:
Green, Light green, Emerald green, Black, Black green.
Density:
3.9
Diaphaneity:
Translucent
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Acicular - Occurs as needle-like crystals.
Habit:
Concretionary - Rounded massive fine-grained materials.
Habit:
Reniform - "Kidney like" in shape (e.g.. hematite).
Hardness:
3 - Calcite
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Magnetism:
Nonmagnetic
Streak:
pale green
Optical Properties of Antlerite
Gladstone-Dale:
CI meas = -0.02 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = -0.007 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1901,KPDmeas = 0.1926,KC = 0.1888 Ncalc = 1.74 - 1.75
Optical Data:
Biaxial (+), a=1.726, b=1.738, g=1.789, bire=0.0630, 2V(Calc)=54, 2V(Meas)=53. Dispersion relatively strong.
Pleochroism (x):
yellowish green.
Pleochroism (y):
bluish green.
Calculated Properties of Antlerite
Electron Density:
Bulk Density (Electron Density)=3.81 gm/cc note: Specific Gravity of Antlerite =3.95 gm/cc.
Fermion Index:
Fermion Index = 0.0008528645 Boson Index = 0.9991471355
Photoelectric:
PEAntlerite = 24.07 barns/electronU=PEAntlerite x r Electron Density= 91.65 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Antlerite is Not Radioactive
Antlerite Classification
Dana Class:
30.01.12.01 (30) Anhydrous Sulfates Containing Hydroxyl or Halogen
(30.01) where (A B)m (XO4)p Zq where m:p>2:1
(30.01.12) Dana Group
30.01.12.01 Antlerite Cu3(SO4)(OH)4 Pnam 2/m 2/m 2/m
Strunz Class:
07.BB.15 07 - SULFATES (SELENATES, TELLURATES)
07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
07.BB -With medium-sized cations
07.BB.15 Antlerite Cu3(SO4)(OH)4 Pnam 2/m 2/m 2/m
Other Antlerite Information
See Also:
Links to other databases for Antlerite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Dunn)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST
18 - YupRocks
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Print or Cut-and-Paste your Antlerite Specimen Label here :
Antlerite
Cu3(SO4)(OH)4
Dana No: 30.01.12.01 Strunz No: 07.BB.15
Locality:
Notes:
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