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Stibiconite Pseudo Sprays

The Mineral stibiconite




Stibiconite is an alteration mineral of Stibnite. It forms as a dull, crusty yellow replacement mineral over Stibnite. The pseudomorph is occasionally only partial, in which only a section of the crystal has been altered with the rest remaining intact. The name Stibiconite is derived from a combination of the Latin stibium, the old name for antimony, and konis, powder, alluding to this minerals powdery habit.
Chemical Formula Sb3O6(OH)
Composition Basic antimony oxide
Color yellow, yellow-gray, gray, brownish-yellow, brown
Streak White
Hardness 4 - 5.5
Crystal System Isometric
Crystal Forms
and Aggregates
As a pseudomorph or crust over existing Stibnite crystals, and in earthy masses.
Transparency Translucent to opaque
Specific Gravity 3.5 - 5.0
Luster Vitreous to dull
Cleavage None
Fracture Uneven
Tenacity Brittle
In Group Oxides; Hydroxides
Striking Features Association with Stibnite and earthy habit.
Environment In hydrothermal antimony deposits as an alteration of Stibnite.
Rock Type Sedimentary, Metamorphic
Popularity (1-4) 3
Prevalence (1-3) 3
Demand (1-3) 3


Stibiconite ON EBAY




NOTEWORTHY LOCALITIES
Stibiconite is found in many of the important Stibnite localities as a pseudomorph or coating after that mineral. Two specific noteworthy deposits which produced good specimens are Xikuangshan, Lengshuijiang, Loudi Prefecture, Hunan Province, China; and Catorce, San Luis Potosí, Mexico.

COMMON MINERAL ASSOCIATIONS
Stibnite, Cervantite, Calcite, Barite, Valentinite



stibiconite PHOTOS
 
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