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Apjohnite with Rhodochrosite - Manuelita mine, Morococha Distr., Yauli Prov., Junin - Perù (#:MINS9179)

White, silky, elongated crystals of Apjohnite 2-3 mm wide on Rhodochrosite matrix.

Formula :
Mn2+Al2[SO4]4 * 22 H2O
System: monoclinic Hardness:1½ Rarity:rare
Strunz id:VI/C.12-30 - SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin: For James Apjohn (1796-1886), Professor of Chemistry and Mineralogy, Trinity College, Dublin, Ireland.

Specimen weight:83 gr.
Crystal size:Up to 2-3 mm wide
Overall size: 48mm x 40 mm x 35 mm

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Apjohnite with Rhodochrosite - Manuelita mine, Morococha Distr., Yauli Prov., Junin - Perù

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