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Natrophosphate - Sold

Natrophosphate is a hydrous sodium phosphate fluoride. Kapustin et al. (1972) named the mineral for its sodium and phosphate content. Natrophosphate is water soluble.

Natrophosphate here forms crystals to 7 mm. Ideally each crystal has 26 faces, consisting of 6 cube faces, 8 octahedral faces, 12 dodecahedral faces. Natrophosphate absorbs water form the air; this specimen has just begun altering to dorfmanite. Bits of white natrolite and black aegirine are also present. From the collection of E.R. Laskowski (1949-2020), a mining engineer who retired to Tucson, Arizona.