Fukalite Mineral Data + 
|
- 78.4.3.1 Fukalite Ca4Si2O6(CO3)(OH,F)2 Unk Ortho
- VIII/B.22-10 Hatrurite Ca3SiO5 R 3m 3m
- VIII/B.22-25 Poldervaartite (Ca,Mn)2SiO3(OH)2 P bca 2/m 2/m 2/m
- VIII/B.22-30 Afwillite Ca3Si2O4(OH)6 P 21 2
- VIII/B.22-40 Bultfonteinite Ca2SiO2(OH,F)4 P1 1
- VIII/B.22-50 Spurrite Ca5(SiO4)2(CO3) P 21/a 2/m
- VIII/B.22-60 Paraspurrite Ca5(SiO4)2(CO3) P 21/a 2/m
- VIII/B.22-65 Ternesite! Ca5(SiO4)2SO4 P nma 2/m 2/m 2/m
- VIII/B.22-70 Nagelschmidtite Ca7(SiO4)3(PO4)2 Unk Hex
- VIII/B.22-75 Harrisonite! Ca(Fe,Mg)6(PO4)2(SiO4)2 R 3m 3 2/m
- VIII/B.22-80 Fukalite Ca4Si2O6(CO3)(OH,F)2 Unk Ortho
- VIII/B.22-90 Thaumasite Ca3Si(CO3)(SO4)(OH)6·12(H2O) P 63/m 6/m
- VIII/B.22-100 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2·9(H2O) Unk Ortho
General Fukalite Information |
|||
 Chemical Formula: |
Ca4Si2O6(CO3)(OH,F)2 | ||
| Composition: |
Molecular Weight = 408.49 gm | ||
| Calcium 39.24 % Ca 54.91 % CaO | |||
| Silicon 13.75 % Si 29.42 % SiO2 | |||
| Hydrogen 0.25 % H 2.21 % H2O | |||
| Carbon 2.94 % C 10.77 % CO2 | |||
| Oxygen 39.17 % O | |||
| Fluorine 4.65 % F 4.65 % F | |||
| - % F -1.96 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca4Si2O6(CO3)(OH)F | ||
| Environment: |
Alteration product of spurrite in spurrite-gehlenite skarns. | ||
| IMA Status: |
Approved IMA 1977 | ||
| Locality: |
Bicchu, Fuka, Okayama Prefecture, Japan. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
Search for Fukalite Images | |||
|
Images:
|
|
||
Fukalite Crystallography |
|||
| Axial Ratios: |
a:b:c =1.4497:1:6.1957 | ||
| Cell Dimensions: |
a = 5.48, b = 3.78, c = 23.42, Z = 2; V = 485.13 Den(Calc)= 2.80 | ||
| Crystal System: |
OrthorhombicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.854(1), 3.084(0.9), 2.926(0.65), | ||
Physical Properties of Fukalite |
|||
| Color: |
White, Light brown. | ||
| Density: |
2.77 | ||
| Diaphaniety: |
Translucent | ||
| Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Fukalite |
|||
| Gladstone-Dale: |
CI meas= -0.052 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2174,KPDmeas= 0.2197,KC= 0.2089 |
||
| Optical Data: |
Biaxial (+/-), a=1.595, b=1.605, g=1.626, bire=0.0310, 2V(Calc)=70, 2V(Meas)=90. | ||
Calculated Properties of Fukalite |
|||
| Electron Density: |
relectron=2.80 gm/cc |
||
| Fermion Index |
Fermion Index = 0.00746 Boson Index = 0.99254 |
||
| Photoelectric: |
PEFukalite = 5.40 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fukalite is Not Radioactive |
||
Fukalite Classification |
|||
| Dana Class: |
78.4.3.1 (78)Unclassified silicates | ||
| (78.4)possible inosilicates | |||
| (78.4.3)Dana Group | |||
| Strunz Class: |
VIII/B.22-80 VIII - Silicates | ||
| VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, cationes with coordinationnumber between [8] and [12] | |||
| VIII/B.22 - Thaumasite series | |||
Other Fukalite Information |
|||
| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Fukalite : 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 Fukalite using: Visit our Advertisers for Fukalite : Translate Fukalite Mineral Data : Ask about Fukalite here : Print or Cut-and-Paste your Fukalite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |