Difference between revisions of "Larimar"

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{{Larimar}}
 
{{Larimar}}
  
A blue pectolite found in the Dominican Republic.   
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A blue pectolite found in the Dominican Republic.  See [[pectolite]]
  
 
==Acknowledgements and External Links==
 
==Acknowledgements and External Links==

Latest revision as of 23:16, 17 January 2007

Larimar
Chemical composition NaCa2Si3O8(OH)
Crystal system Triclinic
Habit Aggregate
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)

A blue pectolite found in the Dominican Republic. See pectolite

Acknowledgements and External Links

Gems & Gemology, Winter 1989 Issue Larimar
Blue Pectolite from the Caribbean