page_title: Antimony trioxide
section_title: Occurrence
hierarchical_section_title: Antimony trioxide / Occurrence
caption_attribution_description: English: Valentinite Locality: Djebel Senza (Sanza mine; Sansa mine; Sensa mine), Ain-El-Bebouch, Constantine Province, Algeria (Locality at mindat.org) Size: 6.9 x 4.4 x 3.3 cm. Valentinite is an uncommon antimony oxide. One would usually not expect a gray metal to form such fine, starburst-like, radial clusters of highly lustrous, pearlescent, prismatic crystals richly distributed on all sides of the matrix. This superb and rich specimen is from an uncommon locale - the Sanza Mine in Algeria. Weighs 167 grams. Old material. Deutsch: Valentinit Fundort: Djebel Senza (Sanza mine; Sansa mine; Sensa mine), Ain-El-Bebouch, Constantine , Algerien (Fundort bei mindat.org) Größe: 6.9 x 4.4 x 3.3 cm.
context_page_description: Antimony trioxide, also known as antimony(III) oxide, is a chemical compound. Its chemical formula is Sb₂O₃. It has antimony and oxide ions in it. It has antimony in its +3 oxidation state.
context_section_description: Antimony trioxide is found in two minerals, valentinite and senarmontite. Valentinite is a white mineral that is sometimes pale yellow.
caption: Valentinite
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