Pronunciation Guide 
General Information |
|
 Chemical Formula: |
(Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2 |
| IMA Status: |
Approved IMA 1974 |
Classification |
|
| Dana Class: |
71.2.2c.5 (71) |
| (71.2)Dana Type | |
| (71.2.2c)Dana Group | |
| Strunz Class: |
VIII/H.14-50 VIII - Silicates |
| VIII/H - Phyllosilicates (layered) Mica like layered silicates with [Si4O10]4- and related groups | |
| VIII/H.14 - Mica group, Margarite - Bityite series | |
Crystallography |
|
| Axial Ratios: |
a:b:c =0.5778:1:1.1081 |
| Cell Dimensions: |
a = 5.345, b = 9.25, c = 10.25, Z = 2; beta = 99.99ø V = 499.09 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.37(1) 2.02(0.55) 2.52(0.55) |
Physical Properties |
|
| Cleavage: |
[001] Perfect |
| Color: |
yellow brown. |
| Density: |
3.3 |
| Diaphaniety: |
Transparent to Translucent |
| Hardness: |
2.5-3 - Finger Nail-Calcite |
| Luster: |
Vitreous (Glassy) |
| Streak: |
yellow white |
Optical Properties |
|
| Optical Data: |
Biaxial (-), a=1.619, b=1.633, g=1.635, bire=0.0160, 2V(Calc)=40, 2V(Meas)=23. |
Other 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 Kinoshitalite : 1 -Athena Mineralogy 2 - EUROmin Project 3 -MinDat.org Location Data 4 -MinMax 5 -WWW-MINCRYST 6 -École des Mines de Paris Search for Kinoshitalite using: Visit our Advertisers for Kinoshitalite : Ask about Kinoshitalite here : |
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