Mineral Pictures
by Category

 Silicates:
   Nesosilicates
   Sorosilicates
   Cyclosilicates
   Inosilicates
   Phyllosilicates
   Tectosilicates

 Non-Silicates:
   Native Elements
   Halides
   Sulfides
   Oxides
   Carbonates
   Sulfates
   Phosphates

 Miscellaneous:
   Miscellaneous

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See also:
Cyclosilicates Subclass
Tourmaline Group

Tourmaline

Green Tourmaline Crystals in Pegmatite Vein(quartzite), Haddam, Neck, Connecticut(across from Middleton)
Sample 229



Four Tourmaline crystals, Himalaya Mine, San Diego, California
Sample 391



Green Tourmaline crystals in Clevelandite, Lepidolite and Cookite, Plumbago gem Pit, Newry, Maine
Sample 747



Green Tourmaline crystals with Clevelandite, Lepidolite and Cookite, Newry, Maine
Sample 748



Green Tourmaline, Hodden Neck, Connecticut
Sample 2888