Ryan Somma:
Azurite with malachite
Ryan Somma:
Hope Diamond
Ryan Somma:
Quartz
Ryan Somma:
Copper
Ryan Somma:
The Many Faces of Crystals
Ryan Somma:
Sandstone Concretion
Ryan Somma:
Danburite
Ryan Somma:
Mineral, Crystal, or Gem?
Ryan Somma:
Vanadinite with romanenchite
Ryan Somma:
Scolecite
Ryan Somma:
Stibnite
Ryan Somma:
Calcite with chalcopyrite
Ryan Somma:
Calcite with duftite inclusions
Ryan Somma:
Calcite
Ryan Somma:
Beryl (var. aquamarine)
Ryan Somma:
Okenite with gyrolite
Ryan Somma:
Meta-autunite
Ryan Somma:
Wulfenite
Ryan Somma:
Rhodochrosite with arsenopyrite
Ryan Somma:
Quartz (coating calcite)
Ryan Somma:
Smithsonite
Ryan Somma:
Chrysotile
Ryan Somma:
Celestite
Ryan Somma:
Sulfur
Ryan Somma:
Celestite with aragonite
Ryan Somma:
Fluorite
Ryan Somma:
Fluorite
Ryan Somma:
Cuprite and Malachite (coating cuprite)
Ryan Somma:
Calcite with sand inclusions
Ryan Somma:
Halite with sand inclusions
