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Senarmontite

Senarmontite Value, Price, and Jewelry Information


Senarmontite is a rare mineral, restricted in occurrence to the presence of antimony sulfide ores. It is much too soft to wear, and the colors are usually nondescript. However, a faceted senarmontite in any size would be a great rarity.

HomeGemstonesSenarmontite Value, Price, and Jewelry Information
By Joel E. Arem, Ph.D., FGA, updated on

SENARMONTITE Isomorphous with Valentinite.

Optics: Isotropic; N= 2.087.

Occurrence: A secondary mineral formed by the alteration of stibnite (Sb2S3)

Inyo County, California; South Dakota.

Quebec; Canada; Algeria; France; Germany; Sardinia; Italy.

Comments: Senarmontite is a rare mineral, restricted in occurrence to the presence of antimony sulfide ores. It is much too soft to wear, and the colors are usually nondescript. However, a faceted senarmontite in any size would be a great rarity.

Name: After Henri de Senarmont, professor of mineralogy at the School of Mines in Paris, who first described the species.