Why Oregon Sunstones Sparkle: The Science and Geology Revealed
10:11
'Nick On the Rocks' star tours the Ginkgo Flow | Oregon Field Guide
17:45
Mineralogist Answers Gemstone Questions From Twitter | Tech Support | WIRED
9:26
Mystery of Oregon’s sunstones | Oregon Field Guide
38:23
Mineralogy & Mining of Oregon Sunstones
43:06
Ten Exotic and Phenomenal Gemstones
46:00
Tourmaline as a Gemstone
8:46
Oregon Sunstone With Schiller | Faceting On The Fly
43:36