lewistonite

lewistonite

[′lü·ə·stə‚nīt]
(mineralogy)
(Ca,K,Na)5(PO4)3(OH) White mineral composed of basic calcium potassium sodium phosphate.
References in periodicals archive ?
Some were made up of clusters of sheaf-like sprays of colorless needles (lewistonite).
Larsen and Shannon (1930) described the two new species "dehrnite" and "lewistonite" (after the town of Lewiston, later known as Camp Floyd and Mercur), as colorless, transparent microcrystals of stout hexagonal prismatic to acicular habit in cavities in variscite nodules.