Forms pseudomorphs after stibnite
Specific gravity: 3.3 to 5.6
Hardness: 3 to 5
Colour: White to yellow or brown
Stibiconite is a secondary mineral in hydrothermal mineral deposits,
formed by the oxidation of other antimony-bearing minerals, commonly stibnite,
which it may entirely replace. Associated minerals include cervantite,
antimony and stibnite
In China, stibiconite occurs as a secondary mineral, often forming pseudomorphs after stibnite, in the oxidised zone of antimony deposits at several locations, including the Dachang deposit in Guizhou, the Dahegou mine in Henan, the Xikuangshan deposit in Hunan and the Wuning mine in Jiangxi (AES).
At the Tanger mine, Mexico, stibiconite pseudomorphs after stibnite have been found (KL p213).
At Schemnitz, Slovakia, stibiconite occcurs with stibnite (FM OP33).
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