bixbyite


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bixbyite

[′biks·bē‚īt]
(mineralogy)
(Mn,Fe)2O3 A manganese-iron oxide mineral; black cubic crystals found in cavities in rhyolite. Also known as partridgeite; sitaparite.
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We hypothesize that a correlation exists between the crystallization of quartz and bixbyite.
2] was found to lose oxygen at about 600 [degrees]C and 950 [degrees]C to bixbyite ([MnO.
In addition to topaz, the most common vapor phase minerals include quartz, garnet, hematite, pseudobrookite, bixbyite, red beryl, and fluorite; many of which are uncommon in silicic volcanic rocks.