Adamite Mineral Data

Adamite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.


General Adamite Information

Help on Chemical Formula: Chemical Formula: Zn2(AsO4)(OH)
Help on Composition: Composition: Molecular Weight = 286.71 gm
   Zinc      45.61 %  Zn   56.78 % ZnO
   Arsenic   26.13 %  As   40.08 % As2O5
   Hydrogen   0.35 %  H     3.14 % H2O
   Oxygen    27.90 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn2(AsO4)(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1866
Help on Locality: Locality: Chile, Atacama, Chañarcillo Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French mineralogist Gilbert Joseph Adam (1795-1881).
Help on Name Pronunciation: Name Pronunciation: Adamite Say ADAMITE
Help on Synonym: Synonym: Cuproadamite - Cu-bearing adamite
  ICSD 34868
  PDF 39-1354
 

Adamite Image

Click Here for Larger Adamite Image in a New Browser Window Images:
Click Here for Larger Adamite Image

Adamite

Comments: Sprays of adamite with intense color and well defined crystals which stand out from the matrix.
Location: Ojuela mine, Mapimi, Durango, Mexico. Scale: 5 x 5 cm.
© Fabre Minerals
Click Here for Larger Adamite Image in a New Browser Window Images:
Click Here for Larger Adamite Image

Adamite   Cryptomelane

Comments: Black, rounded balls of cryptomelane and purple, transparent adamite.
Location: Ojuela mine, Mapimi, Druango, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Adamite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9744:1:0.7089
Help on Cell Dimensions: Cell Dimensions: a = 8.306, b = 8.524, c = 6.043, Z = 4; V = 427.85 Den(Calc)= 4.45
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.45(1), 2.97(0.9), 4.9(0.9),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 0 1 0) ( 1 1 0) ( 2 1 0) ( 1 0 1) ( 1 2 0)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Adamite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Hill R J , American Mineralogist , 61 (1976) p.979-986, The crystal structure and infrared properties of adamite

View Additional jPOWD Structure files for Adamite
[1]
 

Physical Properties of Adamite

Help on Cleavage: Cleavage: {101} Good, {010} Poor
Help on Color: Color: Yellow, Green, Violet, Pink, Yellowish green.
Help on Density: Density: 4.3 - 4.5, Average = 4.4
Help on Diaphaneity: Diaphaneity: Subtransparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luminescence: Luminescence: Fluorescent and phosphorescent, Short UV=yellow green, Long UV=yellow green.
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Adamite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.02 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1667,KPDmeas= 0.1686,KC= 0.1653
Ncalc = 1.71 - 1.74
Help on Optical Data: Optical Data: Biaxial (+/-), a=1.708-1.722, b=1.742-1.744, g=1.763-1.773, bire=0.0510-0.0550, 2V(Calc)=74-84, 2V(Meas)=88. Dispersion none.
 

Calculated Properties of Adamite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.16 gm/cc
note: Specific Gravity of Adamite =4.45 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEAdamite = 41.42 barns/electron
U=PEAdamite x rElectron Density= 172.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Adamite is Not Radioactive
 

Adamite Classification
Help on Dana Class: Dana Class: 41.06.06.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.06)where (A)2 (XO4) Zq
  (41.06.06)Olivenite Group
 
41.06.06.01 Olivenite Cu2AsO4(OH) P 21/n 2/m
 
41.06.06.02 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.03 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.04 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.05 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m
 
41.06.06.06 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 Adamite Information
Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Sinkankas66)
Help on See Also: See Also: Links to other databases for Adamite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Glendale Community College
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - MinMax(Deutsch)
14 - MinMax(English)
15 - Mineral and Gemstone Kingdom
16 - Mineralienatlas (Deutsch)
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST

Search for Adamite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Adamite :

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions


e-Rocks Auctions

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 Adamite Mineral Data :

Ask about Adamite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Adamite Specimen Label here :

Adamite

Zn2(AsO4)(OH)
Dana No: 41.06.06.03 Strunz No: 08.BB.30
Locality:

 

Notes: