Difference between revisions of "Template:Pectolite"
From The Gemology Project
Africanuck (talk | contribs) |
Africanuck (talk | contribs) |
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| Habit || Aggregate | | Habit || Aggregate | ||
+ | |- | ||
+ | | Cleavage || Edit me | ||
+ | |- | ||
+ | | Fracture || Edit me | ||
|- | |- | ||
| Hardness || 5 | | Hardness || 5 |
Revision as of 02:40, 18 January 2007
Pectolite | |
---|---|
Chemical composition | NaCa2Si3O8(OH) |
Crystal system | Triclinic |
Habit | Aggregate |
Cleavage | Edit me |
Fracture | Edit me |
Hardness | 5 |
Optic nature | Biaxial + |
Refractive index | 1.59 - 1.63 |
Birefringence | 0.028-0.038 |
Dispersion | Very weak |
Specific gravity | 2.62 - 2.87 |
Lustre | Silky |
Fluorescence | Yellow or orange (SW-UV) |