Pectolite has the formulae NaCa2Si3O8(OH) and a relative hardness of 5. It is formed from hydrothermal solutions filling cavities in basalts. Associated with zeolites, prehnite, calcite. Of interest to collectors.
Related terms:
Pectolite has the formulae NaCa2Si3O8(OH) and a relative hardness of 5. It is formed from hydrothermal solutions filling cavities in basalts. Associated with zeolites, prehnite, calcite. Of interest to collectors.
Related terms: