Zincsilite Mineral Data (original) (raw)

General Zincsilite Information

Help on Chemical Formula: Chemical Formula:

Zn3Si4O10(OH)2•4(H2O) (?)

Help on Composition: Composition:

Molecular Weight = 574.58 gm

Zinc 34.14 % Zn 42.49 % ZnO

Silicon 19.55 % Si 41.83 % SiO2

Hydrogen 1.75 % H 15.68 % H2O

Oxygen 44.55 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Zn3Si4O10(OH)2•4(H2O)

Help on Environment: Environment:

Pseudomorphs after diopside in a galena-sphalerite-chalcopyrite skarn. Forms a series with sauconite.

Help on IMA Status: IMA Status:

Approved IMA 1960

Help on Locality: Locality:

Batystau, central Kazakhstan. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Name for the composition (Zinc Silicate).

Help on Name Pronunciation: Name Pronunciation:

Zincsilite + Pronunciation Say ZINCSILITE

Zincsilite Image

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

Zincsilite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.5561:1:1.6684

Help on Cell Dimensions: Cell Dimensions:

a = 5.1, b = 9.17, c = 15.3, Z = 2; beta = 90° V = 715.54 Den(Calc)= 2.67

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m ?

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 15.3(1), 4.09(0.7), 1.528(0.6),

Physical Properties of Zincsilite

Help on Cleavage: Cleavage:

{001} Perfect

Help on Color: Color:

Bluish white, White, Greenish white.

Help on Density: Density:

2.61 - 2.71, Average = 2.66

Help on Diaphaneity: Diaphaneity:

Translucent to Opaque

Help on Habit: Habit:

Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).

Help on Hardness: Hardness:

1.5-2 - Talc-Gypsum

Help on Luster: Luster:

Pearly

Help on Streak: Streak:

white

Optical Properties of Zincsilite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2041,KPDmeas= 0.2049,KC= 0.2074
Ncalc = 1.54 - 1.56

Help on Optical Data: Optical Data:

Biaxial (-), a=1.514, b=1.559, g=1.562, bire=0.0480, 2V(Calc)=28, 2V(Meas)=0-22.

Calculated Properties of Zincsilite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.63 gm/cc
note: Specific Gravity of Zincsilite =2.66 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Help on Photoelectric: Photoelectric:

PEZincsilite = 17.32 barns/electron
U=PEZincsilite x rElectron Density= 45.55 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincsilite is Not Radioactive

Zincsilite Classification

Help on Dana Class: Dana Class:

71.03.01b.08 (71)Phyllosilicate Sheets of Six-Membered Rings

(71.03)with 2:1 clays

(71.03.01b)Smectite group (Trioctahedral Smectites)

71.03.01b.01 Sobotkite? (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2•1-5(H2O) Unk. Mono

71.03.01b.02 Saponite (Ca/2,Na)0,3(Mg,Fe)3(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m

71.03.01b.02a Ferrosaponite! Ca0.3(Fe,Mg,Fe)3(Si,Al)4O10(OH)2•4(H2O) C? Mono

71.03.01b.03 Sauconite Na0,3Zn3(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m

71.03.01b.04 Hectorite Na0,3(Mg,Li)3Si4O10(OH)2 C 2/m 2/m

71.03.01b.05 Pimelite? Ni3Si4O10(OH)2•4(H2O) Unk. Hex

71.03.01b.06 Stevensite (Ca0.5,Na)0.33(Mg,Fe)3Si4O10(OH)2•n(H2O) Unk (ORTH ?) Mono

71.03.01b.07 Yakhontovite (Ca,K)0.5(Cu,Fe,Mg)2Si4O10(OH)2•3(H2O) C 2/m 2/m

71.03.01b.08 Zincsilite Zn3Si4O10(OH)2•4(H2O)(?) C 2/m ? 2/m

Help on Strunz Class: Strunz Class:

09.EC.45 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.45 Griffithite* 4(Mg,Fe,Ca)O.(Al,Fe)2O3.5SiO2•7(H2O) Mono

09.EC.45 Hectorite Na0,3(Mg,Li)3Si4O10(OH)2 C 2/m 2/m

09.EC.45 Swinefordite (Li,Ca0.5,Na)0.72(Li,Al,Mg)2.66(Si,Al)4O10(OH,F)2•2(H2O) C 2/m (MON or ORTH) 2/m

09.EC.45 Zincsilite Zn3Si4O10(OH)2•4(H2O)(?) C 2/m ? 2/m

09.EC.45 Saponite (Ca/2,Na)0,3(Mg,Fe)3(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m

09.EC.45 Sauconite Na0,3Zn3(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m

09.EC.45 Spadaite MgSiO2(OH)2•(H2O)(?) Ortho

09.EC.45 Sobotkite? (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2•1-5(H2O) Unk. Mono

09.EC.45 Stevensite (Ca0.5,Na)0.33(Mg,Fe)3Si4O10(OH)2•n(H2O) Unk (ORTH ?) Mono

09.EC.45 Ferrosaponite! Ca0.3(Fe,Mg,Fe)3(Si,Al)4O10(OH)2•4(H2O) C? Mono

Other Zincsilite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Zincsilite :
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 Zincsilite Specimen Label here :

Zincsilite

Zn3Si4O10(OH)2•4(H2O) (?)
Dana No: 71.03.01b.08 Strunz No: 09.EC.45
Locality:

Notes: