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Olivenite Mineral Data

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General Olivenite Information

Help on Chemical  Formula: Chemical Formula: Cu2AsO4(OH)
Help on Composition: Composition: Molecular Weight = 283.02 gm
   Copper    44.91 %  Cu   56.21 % CuO
   Arsenic   26.47 %  As   40.61 % As2O5
   Hydrogen   0.36 %  H     3.18 % H2O
   Oxygen    28.27 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2(AsO4)(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1824
Help on Locality: Locality: Carharrack mine, Gwennap, Cornwall, England, GB Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the German olivernerz, literally "olive" ore, in allusion to its typical color.
Help on Name Pronunciation: Name Pronunciation: Olivenite + Pronunciation Say OLIVENITE
Help on Synonym: Synonym: ICSD 1112
  PDF 42.1353
  Wood arsenate
  Wood copper

Olivenite Image

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Comments: Dark green crystals of olivenite on matrix.
Location: Majuba Hill mine, Pershing County, Nevada, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Arsenogoyazite   Olivenite

Comments: White micro-botryoids of arsenogoyazite with light green acicular crystal sprays of olivenite and dark green malachite on brown limonite.
Location: Centennial Eureka Mine, Juab County, Utah. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Alumopharmacosiderite   Olivenite

Comments: Minute white specks of alumopharmacosiderite, with tan olivenite and unknown orange material.
Location: Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA. Scale: Picture Size 2 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Olivenite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0465:1:0.7223
Help on Cell Dimensions: Cell Dimensions: a = 8.5894, b = 8.2073, c = 5.9285, Z = 4; beta = 90.088° V = 417.93 Den(Calc)= 4.50
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.98(1), 4.82(0.9), 5.91(0.7),
Help on Forms: Forms:

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Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 0) ( 0 1 0) ( 1 0 1) ( 1 0 0) ( 0 1 1)

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Physical Properties of Olivenite

Help on Cleavage: Cleavage: {110} Indistinct, {010} Indistinct, {110} Indistinct
Help on Color: Color: Olive green, Yellowish brown, Dirty white, Blackish green, Liver brown.
Help on Density: Density: 4.1 - 4.4, Average = 4.25
Help on Diaphaneity: Diaphaneity: Subtransparent to translucent to opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Reniform - "Kidney like" in shape (e.g.. hematite).
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: yellowish green

Optical Properties of Olivenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.108 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1802,KPDmeas= 0.1908,KC= 0.1722
Ncalc = 1.71 - 1.77
Help on Optical Data: Optical Data: Biaxial (+), a=1.772, b=1.785-1.81, g=1.863, bire=0.0910, 2V(Calc)=46-84, 2V(Meas)=80-90. Dispersion relatively strong.

Calculated Properties of Olivenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.20 gm/cc
note: Specific Gravity of Olivenite =4.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001362093
Boson Index = 0.9998637907
Help on Photoelectric: Photoelectric: PEOlivenite = 38.64 barns/electron
U=PEOlivenite x rElectron Density= 162.20 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Olivenite is Not Radioactive

Olivenite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.06)where (A)2 (XO4) Zq
  (41.06.06)Olivenite Group Olivenite Cu2AsO4(OH) P 21/n 2/m Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.BB.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BB -With only medium-sized cations, (OH, etc.):RO4 � 1:1
08.BB.30 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
08.BB.30 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
08.BB.30 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m
08.BB.30 Olivenite Cu2AsO4(OH) P 21/n 2/m
08.BB.30 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m
08.BB.30 Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m

Other Olivenite Information

Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Sinkankas66)
Help on See Also: See Also: Links to other databases for Olivenite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
18 - theimage

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Dana No: Strunz No: 08.BB.30





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