micro mineral:
Duftita
srl.intl.trading:
Collawood
srl.intl.trading:
Collawood -petrified wood
srl.intl.trading:
Collawood -petrified wood
Tom Kennedy1:
Tetrapod Tracks, Valentia, Co Kerry.
M E For Bees (Was Margaret Edge The Bee Girl):
Scallop Shell Fossil
spelio:
Black Moutain rocks in Kalkajaka National Park
spelio:
Black Moutain rocks in Kalkajaka National Park composed of the igneous felsic intrusive Trevethan Granodiorite. See the Wikipedia link in the comments below.
adamantine:
Pyrite - Peru
rcblackmich:
Rhyolite 2.5x
Al_HikesAZ:
Gold, Flourite Calcite, and Imperial Topaz - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Amethyst Geodes - Kino Sports Complex - Tucson Gem, Mineral and Fossil Showcase (EXPLORE)
Al_HikesAZ:
Quartz crystal cluster - Kino Sports Complex - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Morganite - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Expensive aquamarine - Tucson Gem, Mineral and Fossil Showcase
srl.intl.trading:
Thunder Egg
srl.intl.trading:
Landscape & Stick Agate
Al_HikesAZ:
Dealer and Vendor products - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Treasures from the AMNH Collection of Pegmatites - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Private Collection Display - Tucson Gem, Mineral and Fossil Showcase
Puzzler4879:
Shark Tooth Fossil
Al_HikesAZ:
Cobalt-bearing Calcite - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Crown of Chumar Bahkoor - Tucson Gem, Mineral and Fossil Showcase
OttawaRocks:
Schalenblende Specimen from Poland at the 2024 Tucson Gem and Mineral Show