Kinichilite

kinichilite

tellurium

zemannite group

manganese

Images

Formula: Mg_0.5Mn²⁺Fe³⁺(Te⁴⁺O₃)₃.4.5H₂O
Tellurite, zemannite group, manganese-bearing mineral
Crystal System: Hexagonal
Specific gravity: 4.11 calculated
Hardness: 2
Streak: Brown
Colour: Dark brown
Luminescence:
Solubility: Readily soluble in hydrochloric acid and in nitric acid
Environments

Hydrothermal environments

Localities

At the type locality, the Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan, kinichilite occurs as a hexagonal prism less than 2 mm long in the oxidation zone of a low-temperature gold - silver - tellurium quartz vein (AM 67.621-624, Mindat).
Kinichilite from the Kawazu Mine - Image

At the Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico, kinichilite occurs as translucent dark brown, sharp hexagonal prisms to 2 mm with pyramidal terminations, associated with quartz and xocolatlite (?) (Minrec 55.6.843).
Kinichilite from Moctezuma - Image

At the Upper dumps, North Star Mine, Mammoth, Tintic Mining District, Juab County, Utah, USA, a single specimen of kinichilite was found. The purplish brown crystals range from tiny bundles of fibrous crystals to single, elongated hexagonal prisms (MinRec 55.2.209).
Kinichilite from the Upper Dumps - Image

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