American Museum of Natural History

Stibnite image

2

Topaz, Schorl image

Jonathan & Kathleen Woolley

Benitoite image

The Mineralogical Museum, University of Delaware

1

Rutile after Brookite image

Rutile after Brookite

The Mineralogical Museum, University of Delaware

Smoky Quartz image

Silver, Copper image

William Severance

Azurite image

Edward Strickler

Wulfenite, Pyromorphite image

Wulfenite, Pyromorphite

Edward Strickler

Fluorite, Calcite, Pyrite image

Fluorite, Calcite, Pyrite

1

Elbaite image

1