IFP: ALL THE SILICATES in Hand Sample
IFP: ALL THE SILICATES in Hand Sample
Completion requirements
Agate, Alkali feldspar, Amazonite, Amethyst, Amphibole, Andalusite, Beryl, Biotite, Chert, Garnet, Kaolinite, Kyanite, Labradorite, Milky Quartz, Muscovite, Nepheline, Olivine, Opal, Plagioclase Feldspar, Pyroxene, Quartz, Serpentine, Staurolite, Talc, Tourmaline, Zeolites
Grading method: Highest grade