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 % Na₂O

Aluminum 5.76 % Al 10.88 % Al₂O₃

Iron 1.79 % Fe 2.56 % Fe₂O₃

Copper 5.42 % Cu 6.79 % CuO

Silicon 10.79 % Si 23.08 % SiO₂

Hydrogen 0.41 % H 3.65 % H₂O

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:

Pb_1.8Cu_0.8Na_0.2(CO₃)₂(OH)_0.6F_0.1Al_1.6Fe³⁺_0.3Si_3.6Al_0.4O₁₀(OH)₂�0.6(H₂O)

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 16.2(1), 4.05(0.3), 5.4(0.26),

Physical Properties of Surite

Cleavage:

{001} Perfect

Color:

White, Light green.

Density:

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:

PE_Surite= 673.39 barns/electron
U=PE_Surite x rElectron 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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Print or Cut-and-Paste your Surite Specimen Label here :

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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