allemontite

allemontite

[‚al·ə′män‚tīt]
(mineralogy)
AsSb Rhombohedric, gray or reddish, native antimony aresenide occurring in reniform masses. Also known as arsenical antimony.
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References in periodicals archive ?
Because allemontite is a discredited species, further description of the material is given under arsenic and stibarsen.
One or more pods or local units in a schorl-bearing pegmatite proved to contain, among other things, lumps of pollucite, also elbaite, petalite and amblygonite, and as rare accessory minerals a few lumps of allemontite with native arsenic.