Riebeckite black crystal on Quartz

Grossular orange Grossular garnet crystals

Molybdenite crystal on Quartz

sulfur crystal small

Stibnite cluster of prismatic crystals

Azurite crystals w Malachite

Forsterite crystal captured in space by Stardust spacecraft

Zincite synthetic crystals

zircon crystal 2

Luzonite intergrown crystals

Autunite crystals

Aurichalcite crystals close up

Selenite gypsum crystal

Grandiderite crystal fragment

Gold rare crystaline form

Aurichalcite crystals med zoom

Selenite crystalline variety of gypsum

Augite crystal

Amblygonite crystals

Mordenite crystal cluster

Cassiterite crystal

Sulphur crystal

Ludlamite crystalline crust

Stibnite prismatic crystals