Nice specimen of this rare potassium sulfate.
Semitransparent crystals up to 2,5 cm set on matrix from the type locality.
Formula : K2Ca[SO4]2 * H2O
System: monoclinic Hardness:2½ Rarity:rare
Strunz id:VI/C.21-60 -
SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin: Related, for its chemical resemblance to Polyhalite.
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Specimen weight:42 gr.
Crystal size:2,5 cm wide
Overall size: 48mm x 25 mm x 43 mm
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