Tungusite Mineral Data + 
|
[Newest Minerals] [Rare Minerals] [Past Sale Items] [About Us] [A-Rocks Auctions]
T G Fine Minerals sells Australian Minerals from all the classic and current localities
We are one the most comprehensive sellers of these (Aussie) minerals in the world
Broken Hill specimens are our specialty along with fine worldwide minerals, Australian opals, fossils & gems
- 78.5.9.1 Tungusite Ca14(OH)8(Si8O20)3Fe9(OH)14 P1 1
- VIII/H.34-10 Minehillite (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 P 63/mmm, P 62c, or P 63mc Hex
- VIII/H.34-20 Truscottite (Ca,Mn)14Si24O58(OH)8·2(H2O) p3 or p3 Trig
- VIII/H.34-25 Orlymanite Ca4Mn3Si8O20(OH)6·2(H2O) P 3-,P 3 Trig
- VIII/H.34-28 Fedorite KNa4Ca4(Al,Si)16O36(OH,F)4·6(H2O) C1 1
- VIII/H.34-30 Reyerite (Na,K)4Ca14Si22Al2O58(OH)8·6(H2O) P 3 3
- VIII/H.34-40 Gyrolite NaCa16Si23AlO60(OH)8·64(H2O) P 61 6
- VIII/H.34-45 Tungusite Ca14(OH)8(Si8O20)3Fe9(OH)14 P1 1
- VIII/H.34-50 Zeophyllite Ca4Si3O8(OH,F)4·2(H2O) R 3 3
- VIII/H.34-70 Armstrongite CaZrSi6O15·3(H2O) C 2 2
General Tungusite Information |
|||
 Chemical Formula: |
Ca14(OH)8(Si8O20)3Fe++9(OH)14 | ||
| Composition: |
Molecular Weight = 3,071.89 gm | ||
| Calcium 18.27 % Ca 25.56 % CaO | |||
| Iron 16.36 % Fe 21.05 % FeO | |||
| Silicon 21.94 % Si 46.94 % SiO2 | |||
| Hydrogen 0.72 % H 6.45 % H2O | |||
| Oxygen 42.71 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca14(OH)83(Si8)3(O20)Fe2+9(OH)14 | ||
| IMA Status: |
Approved IMA 1966 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
Tungusite Image | |||
|
Images:
|
|
||
Tungusite Crystallography |
|||
| Axial Ratios: |
a:b:c =0.9992:1:2.2724 | ||
| Cell Dimensions: |
a = 9.714, b = 9.721, c = 22.09, Z = 1; alpha = 90.13°, beta = 98.3°, gamma = 129° V = 1,604.11 Den(Calc)= 3.18 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 1.818(1), 3.12(0.8), 4.17(0.8), | ||
Physical Properties of Tungusite |
|||
| Cleavage: |
[???] Perfect | ||
| Color: |
Grass green, Yellow green. | ||
| Density: |
2.59 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Flexible - Flexible fragments. | ||
| Hardness: |
2 - Gypsum | ||
| Luster: |
Pearly | ||
| Streak: |
light green | ||
Optical Properties of Tungusite |
|||
| Gladstone-Dale: |
CI meas= -0.063 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.134 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1843,KPDmeas= 0.2263,KC= 0.2128 |
||
| Optical Data: |
Uniaxial (-), w=1.586. | ||
Calculated Properties of Tungusite |
|||
| Electron Density: |
relectron=2.58 gm/cc |
||
| Fermion Index |
Fermion Index = 0.01416 Boson Index = 0.98584 |
||
| Photoelectric: |
PETungusite = 7.89 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tungusite is Not Radioactive |
||
Tungusite Classification |
|||
| Dana Class: |
78.5.9.1 (78)Unclassified silicates | ||
| (78.5)possible phyllosilicates | |||
| (78.5.9)Dana Group | |||
| Strunz Class: |
VIII/H.34-45 VIII - Silicates | ||
| VIII/H - Phyllosilicates (layered) Mica minerals with other simple layers, [Si6O15]6- and others | |||
| VIII/H.34 - Gyrolite series | |||
Other Tungusite Information |
|||
| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Tungusite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Tungusite using: Visit our Advertisers for Tungusite : Translate Tungusite Mineral Data : Ask about Tungusite here : Print or Cut-and-Paste your Tungusite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |