Hematite

specimen number:
2063110

location:
Thomas Range, Juab Co., Utah, USA

description:
Wonderful grouping of thin platy brightly lustrous hematite crystals, the largest measuring to 2.0 cm across. Very little attached matrix, this is in good condition with minimal damage present. Excellent for the locality and species. The specimen comes with a previous label from the collection of Ray DeMark. The label notes that the specimen was collected in 1986 by James Miller.

Located in Juab County, Utah, the Thomas Range is a prominent volcanic complex formed during the Tertiary period, consisting primarily of rhyolitic lava flows, tuffs, and topaz rhyolite domes. The area has a rich history of mining and mineral collecting, particularly noted for its world-class rockhound localities such as Topaz Mountain, where collectors have searched for decades. The range is globally famous for its exceptional mineral specimens that crystallize within gas cavities and lithophysae in the rhyolite. The most iconic mineral found here is gem-quality topaz, often occurring as amber or clear crystals, alongside other notable specimens such as bixbyite, pseudobrookite, spessartine garnet, hematite, and beryl.

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