Difference between revisions of "Template:Pectolite"

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| Fracture || Edit me
 
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| 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)