Updated 5d ago
11
HYDROXYLHERDERITE$300.00
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An interesting thumbnail twin of a creamy, opaque Hydroxylherderite crystal measuring to 2.8 cm, from Barro do Salinas in Coronel Murta, Brazil. Hydroxylherderite is a calcium-beryllium phosphate hydroxide [CaBe(PO4)(OH)] whereas Herderite is a calcium-beryllium phosphate fluoride [CaBe(PO4)F], hence the “Hydroxyl” prefix signifying the dominance of hydroxide over fluorine. It is a species associated with granite pegmatites, typically occurring as small indistinct crystals, hence specimens such as this are exceptional for the species.
Product details
Species
SizeMiniature
Dimensions2.1 x 2.8 x 1.4 cm
Locality
SKUCC8515
Listed on10/24/2024
Comments
Known provenance
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