Hollandite after Magnetite on Pyrolusite, Psilomelane and Drusy Quartz, Wyoming
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Location: Marshall, Albany County, Wyoming
Dimensions: 4.5 × 2 × 3.5 cm
Weight: 43.9 grams
Location: Marshall, Albany County, Wyoming
Dimensions: 4.5 × 2 × 3.5 cm
Weight: 43.9 grams
Location: Marshall, Albany County, Wyoming
Dimensions: 4.5 × 2 × 3.5 cm
Weight: 43.9 grams
A very uncommon and combination specimen from an obscure Wyoming locale in Albany County. Lustrous, sharp, black microcrystals of magnetite peppered on a bed of Hollandite, Pyrolusite and Psilomane. Covered by a botryoidal crust of grayish-blue drusy quartz.
Ex. Corolyn Reynard Collection
