|24149: Hemimorphite, Goethite, and Calcite
Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico
Small cabinet - 7.9 x 5.9 x 4.2 cm
Specimen status: Available
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One face of a limonite matrix hosts a dense patch of colorless, translucent to transparent and sparkling calcite (many crystals) and hemimorphite (a few crystals). A few tiny, black botryoidal goethite blobs are scattered about. In the back we see much less calcite but the goethite here is abundant. The backside calcites are in many places so clear that the goethite and matrix are clearly visible through them. Damage is minimal and limited to the usual edge issues.