Surite Mineral Data
General Surite Information
Chemical Formula:
(Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe+++)2(Si,Al)4O10(OH)2]•n(H2O)
Composition:
Molecular Weight = 937.16 gm
Sodium 0.49 % Na 0.66 % Na2 O
Aluminum 5.76 % Al 10.88 % Al2 O3
Iron 1.79 % Fe 2.56 % Fe2 O3
Copper 5.42 % Cu 6.79 % CuO
Silicon 10.79 % Si 23.08 % SiO2
Hydrogen 0.41 % H 3.65 % H2 O
Lead 39.80 % Pb 42.87 % PbO
Carbon 2.56 % C 9.39 % CO2
Oxygen 32.78 % O
Fluorine 0.20 % F 0.20 % F
- %
F -0.09 % -O=F2
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Pb1.8 Cu0.8 Na0.2 (CO3 )2 (OH)0.6 F0.1 Al1.6 Fe3+ 0.3 Si3.6 Al0.4 O10 (OH)2 �0.6(H2 O)
Environment:
Oxidation zone of Pb-Zn-Cu deposit.
IMA Status:
Approved IMA 1978
Locality:
Cruz del Sur mine, Rio Negro Province, Argentina. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Name Pronunciation:
Surite
Surite Image
Images:
Surite
Comments: Pearly white, almost micaceous surite crystals on vuggy matrix with yellow cerussite.
Location: Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA.
Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix
Surite Crystallography
Axial Ratios:
a:b:c =0.5855:1:1.81
Cell Dimensions:
a = 5.241, b = 8.95, c = 16.2, Z = 2; beta = 90° V = 759.89 Den(Calc)= 4.10
Crystal System:
Monoclinic Space Group: P 21 ro P 21 /m
X Ray Diffraction:
By Intensity(I/Io ): 16.2(1), 4.05(0.3), 5.4(0.26),
Physical Properties of Surite
Cleavage:
{001} Perfect
Color:
White, Light green.
Density:
4
Diaphaneity:
Transparent
Habit:
Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
2-3 - Gypsum-Calcite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Surite
Gladstone-Dale:
CI meas = 0.01 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.034 (Excellent) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1745,KPDmeas = 0.1789,KC = 0.1807 Ncalc = 1.72 - 1.74
Optical Data:
Biaxial (?), a=1.693, g=1.738, bire=0.0450
Calculated Properties of Surite
Electron Density:
Bulk Density (Electron Density)=3.65 gm/cc note: Specific Gravity of Surite =4.00 gm/cc.
Fermion Index:
Fermion Index = 0.09 Boson Index = 0.91
Photoelectric:
PESurite = 673.39 barns/electronU=PESurite x r Electron Density=2,457.42 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Surite is Not Radioactive
Surite Classification
Dana Class:
71.02.04.02 (71) Phyllosilicate Sheets of Six-Membered Rings
(71.02) with 2:1 Layers
(71.02.04) Surite group
71.02.04.01 Ferrisurite (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Fe,Al)2Si4O10(OH)2]•n(H2O) P 21 or P 21 /m Mono
71.02.04.02 Surite (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe)2(Si,Al)4O10(OH)2]•n(H2O) P 21 ro P 21 /m Mono
71.02.04.03 Niksergievite ! [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6•nH2O C 2/m, C 2, or Cm Mono
Strunz Class:
09.EC.75 09 - SILICATES (Germanates)
09.E - Phyllosilicates
09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
09.EC.75 Ferrisurite (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Fe,Al)2Si4O10(OH)2]•n(H2O) P 21 or P 21 /m Mono
09.EC.75 Surite (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe)2(Si,Al)4O10(OH)2]•n(H2O) P 21 ro P 21 /m Mono
09.EC.75 Niksergievite ! [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6•nH2O C 2/m, C 2, or Cm Mono
Other Surite Information
References:
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
See Also:
Links to other databases for Surite :
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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Surite
(Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe+++)2(Si,Al)4O10(OH)2]•n(H2O)
Dana No: 71.02.04.02 Strunz No: 09.EC.75
Locality:
Notes:
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