| 12960: Goethite and Calcite - $12 Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico Small cabinet - 6.7 x 4.6 x 3.8 cm 53 grams Specimen status: Available Send an email with specimen number to order The matrix surface is covered with
gray, frothy goethite. Minor, colorless and transparent
calcite crystals (erroneous identified as gypsum on a
previous dealer label) sit on the specimen's apex. The
specimen is in fine condition.
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