Mineralogy Database

Sampleite Mineral Data

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General Sampleite Information

Help on Chemical  Formula: Chemical Formula: NaCaCu5(PO4)4Cl•5(H2O)
Help on Composition: Composition: Molecular Weight = 875.95 gm
   Potassium    1.34 %  K     1.61 % K2O
   Sodium       2.36 %  Na    3.18 % Na2O
   Calcium      4.12 %  Ca    5.76 % CaO
   Magnesium    0.28 %  Mg    0.46 % MgO
   Copper      34.82 %  Cu   39.21 % Cu2O
   Phosphorus  14.14 %  P    32.41 % P2O5
   Hydrogen     1.08 %  H     9.67 % H2O
   Chlorine     4.05 %  Cl    4.05 % Cl
                 -   %   Cl   -0.91 % -O=Cl2   
   Oxygen      37.81 %  O
              ______        ______ 
              100.00 %       95.43 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.9K0.3Ca0.9Mg0.1Cu4.8(PO4)4Cl•4.7(H2O)
Help on Environment: Environment: Oxidized zone of copper deposits in arid climates. In caves derived from copper sulfides and phosphate from bat quano.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1942
Help on Locality: Locality: Antofagasta, Chuquicamata, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mat Sample, mine superintendent, Chuquicamata, Chile.
Help on Name Pronunciation: Name Pronunciation: Sampleite + Pronunciation Say SAMPLEITE

Sampleite Image

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Comments: Sampleite crystal groups 3 to 8 mm wide on a dark matrix.
Location: Santa Catalina Mine, Sierra Gorda, Chile. Scale: Picture size 1 cm.
© John Veevaert

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Comments: Sky blue lamellar crystals of sampleite up to 2 mm. scattered on matrix.
Location: Chuquicamata, Antofagasta, Chile. Scale: Picture size 2 cm.
© Sandro Maggia/Minernet.it

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Comments: Blue, spherical, radial crystalling aggregates of sampleite on a fracture surface.
Location: North Parkes Mine, Parkes, New South Wales, Australia. Scale: Picture size 6x5 cm.
© Dave Barthelmy

Sampleite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.2526:1:0.2513
Help on Cell Dimensions: Cell Dimensions: a = 9.7, b = 38.4, c = 9.65, Z = 8; V = 3,594.43 Den(Calc)= 3.24
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: pseudo TET
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.6(1), 3.04(1), 1.71(0.8),4.3(0.8), 1.79(0.7), 3.89(0.7), 6.85(0.7),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

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

Help on Above

Forms: ( 1 5 0) ( 0 1 0) ( 1 1 1) ( 1 1 0) ( 0 2 1) ( 0 0 1)

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Physical Properties of Sampleite

Help on Cleavage: Cleavage: {010} Perfect, {100} Good, {001} Good
Help on Color: Color: Bluish green, Light blue.
Help on Density: Density: 3.2
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Pearly
Help on Streak: Streak: bluish white

Optical Properties of Sampleite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.067 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2042,KPDmeas= 0.2068,KC= 0.2189
Ncalc = 1.7 - 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.629, b=1.677, g=1.679, bire=0.0500, 2V(Calc)=22, 2V(Meas)=5-23. Dispersion r > v.
Help on Pleochroism (x): Pleochroism (x): deep blue or green blue.
Help on Pleochroism (y): Pleochroism (y): light blue or turquoise blue.
Help on Pleochroism (z): Pleochroism (z): turquoise blue or colorless.

Calculated Properties of Sampleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Sampleite =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0005177723
Boson Index = 0.9994822277
Help on Photoelectric: Photoelectric: PESampleite = 16.75 barns/electron
U=PESampleite x relectron= 52.14 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 18.80 (Gamma Ray American Petroleum Institute Units)
Concentration of Sampleite per GRapi unit = 5.32 (%)

Estimated Radioactivity from Sampleite - barely detectable


Sampleite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.09)where (A)3 (XO4)2 Zq � x(H2O)
  (42.09.04)Dana Group Sampleite NaCaCu5(PO4)4Cl•5(H2O) pseudo TET 2/m 2/m 2/m Lavendulan NaCaCu5(AsO4)4Cl•5(H2O) Unk Ortho Zdenekite NaPbCu5(AsO4)4Cl•5(H2O) P 4122,P 4322 4 2 2 Mahnertite! (Na,Ca)Cu3(AsO4)2Cl•5(H2O) I 4mmm 4 2 2 Lemanskiite! NaCaCu5(AsO4)4Cl•5H2O P 4122 or P 4322 4 2 2
Help on  Strunz Class: Strunz Class: 08.DG.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DG -With large and medium-sized cations, (OH, etc.):RO4 < 0.5:1
08.DG.05 Lavendulan NaCaCu5(AsO4)4Cl•5(H2O) Unk Ortho
08.DG.05 Shubnikovite Ca2Cu8(AsO4)6Cl(OH)•7(H2O)(?) Unk Ortho
08.DG.05 Sampleite NaCaCu5(PO4)4Cl•5(H2O) pseudo TET 2/m 2/m 2/m
08.DG.05 Zinclavendulan? NaCa(Zn,Cu)5(AsO4)4Cl•4-5(H2O) Unk Ortho
08.DG.05 Lemanskiite! NaCaCu5(AsO4)4Cl•5H2O P 4122 or P 4322 4 2 2
08.DG.05 Zdenekite NaPbCu5(AsO4)4Cl•5(H2O) P 4122,P 4322 4 2 2

Other Sampleite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(AntBidBlaNic4)
Help on See Also: See Also: Links to other databases for Sampleite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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


Dana No: Strunz No: 08.DG.05





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