Tom Gressman

Watch here: Mineral Talks LIVE - Episode 27 - Tom Gressman/Christi Cramer; The Mineralogical Record, Tucson, AZ

Cassiterite image

Tantalite-(Fe), Albite image

Tantalite-(Fe), Albite

Ferrokësterite, Andorite image

Ferrokësterite, Andorite

Rose Quartz, Smoky Quartz image

Rose Quartz, Smoky Quartz

Fluorapatite, Quartz image

Fluorapatite, Quartz

California Academy of Sciences

1

Axinite-(Fe) image

Shelly & Jim Houran

1

Meta-autunite image

1

Tantalite-(Fe), Cleavelandite image

Tantalite-(Fe), Cleavelandite

Uvite image

Cavansite image