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The oxide minerals such as senarmontite, valentinite, kermesite and stibiconite, if present, directly react with HCl without requiring FeCl3 during leaching process.
Stibiconite is a characteristic mineral of this locality and occurs as yellow or greenish, brittle pseudomorphs after stibnite in various states of decay.
Previous investigators have reported five mineral species from the Tsumeb mine with essential antimony: famatinite, stibnite, stibiconite and nadorite (Schneider, 1992), and biehlite (Schluter et al., 2000).
In the final, exogenic phase, stibnite was oxidized, giving rise to a series of antimony oxide minerals such as valentinite and stibiconite. Stibnite thus occurs both as massive, granular ore and in well-developed crystals.
Several supergene minerals are known from Qinglong, including carbonate-cyanotrichite and stibiconite (Ottens, 2005).
Gordon (1944) described masses of stibnite with orange-yellow stibiconite. It was abundant in the Angela mine, 7 km north of the intrusive stock (Bandy, 1944).
Stibiconite occurred as a yellow-brown alteration product of stibnite from the Independence mine (Eckel, 1997).
cassiterite, fluorite, jamesonite, marcasite, pyrite, sphalerite, stibnite Dafangshen Liaoning antigorite, chlorite, chrysotile, lizardite, talc, tremolite Dahegou Henan calcite, barite, stibiconite, stibnite Damiao Hebei *damiaoite Daoping Guangxi cerussite, galena, pyromorphite, Zhuang A.R.
The Smithsonian put in a case of very fine Mexican minerals including such things as stibiconite, amethyst, buergerite, malachite pseudomorphs after azurite, danburite, rare wurtzite and polybasite.
Unfortunately, the pocket was strongly oxidized and the stibnite crystals had been partially altered to stibiconite.
Associated minerals are: scainiite, zinkenite, boulangerite, robinsonite, tintinaite, sorbyite and other incompletely characterized minerals, Other associated minerals are: sphalerite, cinnabar, galena, andorite, bournonite, tetrahedrite, chalcostibite, gersdorffite, barite, cerussite and stibiconite.
Associated minerals are: zinkenite, boulangerite, robinsonite, tintinaite, sorbyite, a new chloro-sulfosalt, sphalerite, cinnabar, galena, andorite, bournonite, tetrahedrite, chalcostibite, gersdorffite, barite, cerussite and stibiconite.
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