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Minyulite: KAl2(PO4)2(OH,F)·4(H2O) Aldermanite: Mg5Al12(PO4)8(OH)22·32(H2O)
Comments: White, blocky aldermanite crystals to 2mm completely covering one face of matrix with colorless prismatic Minyulite crystals in sprays to 3mm. Location: Tom's Phosphate quarry, Kapunda, South Australia, Australia. Scale: Overall: 2 x 1.5 x 2 cm. © Tom Loomis / Dakota Matrix
Minyulite: KAl2(PO4)2(OH,F)·4(H2O)
Comments: Crystals of minyulite on matrix. Location: St. John's Quarry, Kapunda, South Australia. Scale: Crystal size 4-5 mm to 5 mm. © John Veevaert
Minyulite: KAl2(PO4)2(OH,F)·4(H2O) Sincosite: Ca(V++++O)2(PO4)2·5(H2O)
Comments: Pale greenish white acicular radial sprays of minyulite to 8mm with small, green, tabular sincosite. Location: Ross Hannibal mine, Lawrence County, South Dakota. Scale: Picture size 2 cm. © Tom Loomis / Dakota Matrix