Topaz from Thomas Range, Utah, USA - image 1
Topaz from Thomas Range, Utah, USA - image 2
Updated 5d ago

Topaz from Thomas Range, Utah, USA

$90.00

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Lustrous micro crystals of tridymite quite rich across the top of matrix with micro crystalline topaz and pseudobrookite. Good rich example for the species.Topaz Mountain in the Thomas Range of Utah consists of pale volcanic rhyolite formed during the Tertiary period through extensive lava flows and trapped gas cavities. Within these hollow lithophysae and vapor-phase cavities, high-temperature minerals like tridymite crystallized alongside topaz, bixbyite, and hematite. Historically, the region has been a premier public collecting destination and rockhounding landmark where amateur and professional collectors extract specimens from the porous rock and surrounding washes.

Product details

SpeciesTopazTridymite
SizeSmall Cabinet
Dimensions7.0 x 7.0 x 3.0 cm
Listed on10/10/2026
LocalityUSA, Utah, Thomas Range
SKU2351033
Current owner
WM
Weinrich MineralsFeatured
3,402 for sale·9 sold

Learn more

Topaz
Mineral guide
Learn about Topaz
hard, glassy orthorhombic crystals from pegmatites and rhyolites; colors range from colorless to pink; sharp terminations aid identification, localitie…
Topaz
Regional guide
Topaz from Thomas Range
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Locality guide
Thomas Range
Thomas Range, USA — premier locality yielding topaz, bixbyite, red beryl from lithophysal cavities in rhyolite; crisp, glassy crystals prized by collectors.