A really nice miniature of these rare Phosphates from the classic Rapid Creek location. Tan elongate complex crystals of Whiteite, well formed with sharp terminations, with the appearance of clusters of slightly diverging crystals with curving terminations. The lustre is subvitreous, which is superb for the mineral. Intergrown on the Whiteite are small dark green-blue Lazulite crystals, translucent and very lustrous in generally well formed crystals to 3mm.
Formula : XM1M22M32(H2O)8(OH)2(PO4)4
System: monoclinic Hardness:3½ Rarity:very rare
Strunz id:VII/D.29-20 -
PHOSPHATES, ARSENATES and VANADATES
Name origin: A subgroup of the Jahnsite Group, which includes chemically complex, monoclinic phosphates.
The suffix in the names of the minerals in this group indicates sequentially the dominant atom in the X, M1, and M2 structural positions; the M3 position is always Al-dominant (Al>Fe3+).
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Specimen weight:35 gr.
Crystal size:10 mm
Overall size: 40mm x 29 mm x 32 mm
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