Pronunciation Guide 
General Information |
|
 Chemical Formula: |
(K,Ca,Na,Ba)7(Si25Al9)O64·23(H2O) |
| IMA Status: |
Approved IMA 1977 |
Classification |
|
| Dana Class: |
77.1.3.11 (77)Tectosilicate Zeolite group |
| (77.1)true zeolites | |
| (77.1.3)Gismondine and related species | |
| Strunz Class: |
VIII/J.25-80 VIII - Silicates |
| VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites | |
| VIII/J.25 - Zeolite group, Amicite - Phillipsite - Yugawaralite series | |
Crystallography |
|
| Axial Ratios: |
a:b:c =0.992:1:0.6989 |
| Cell Dimensions: |
a = 14.116, b = 14.229, c = 9.946, Z = 1; V = 1,997.72 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Immm |
| X Ray Diffraction: |
By Intensity(I/Io): 3.18(1) 7.08(0.9) 7.12(0.9) |
Physical Properties |
|
| Cleavage: |
[???] Good |
| Color: |
colorless or white. |
| Density: |
2.14 |
| Diaphaniety: |
Transparent to Translucent |
| Hardness: |
4.5 - Between Fluorite and Apatite |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
Optical Properties |
|
| Optical Data: |
Biaxial (?), b=1.494 |
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 Merlinoite : 1 -Athena Mineralogy 2 - EUROmin Project 3 -International Zeolite Association 4 -MinDat.org Location Data 5 -MinMax 6 -WWW-MINCRYST 7 -École des Mines de Paris Search for Merlinoite using: Visit our Advertisers for Merlinoite : Ask about Merlinoite here : |
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