October 13, 2023
Herderite Hydroxylherderite Brazil Glassy And Large Single Crystal LQQK :)
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This is a sweet specimen! Single crystal with little one attached.Double terminated .Great addition to any collection!The piece is 4.4 by 2.4 by 1.4 cm's in size.It is from:Alto do Corrego Frio, Linopolis, Minas Gerais, Brazil. And here is little bit info about herderite. Herderite is a phosphate mineral belonging to the apatite, phosphate group, with formula CaBe(PO 4 )(F,OH). It forms monoclinic crystals, often twinned and variable in color from colorless through yellow to green. It forms a series with the more common hydroxylherderite, which has more hydroxyl ion than fluoride.Thank you for looking :)
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