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Mineralpedia Details for Imiterite

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Imiterite

Imiterite

Named after the Imiter mine in Morocco, which is the type locality for the mineral. Imiterite occurs in pyrite-bearing deposits and in hydrothermal vein deposits in localities in, additionally, Germany, the Czech Republic, Austria, Hungary, Italy, and the United States. Associated minerals include chalcopyrite, sphalerite, acanthite, polybasite, galena, arsenopyrite, pyrite, marcasite, and calcite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/imiterite.pdf

Formula
Ag2HgS2 
Crystal System
Monoclinic 
Luster
Metallic 
Color
light gray, black, silver gray 
Streak
dark gray 
Class
Monoclinic - Prismatic 
Hardness
2.5-3 
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Imiterite from Imiter mine, Anti-Atlas Mts., Dades Region, Morocco

Imiterite
            from Imiter mine, Anti-Atlas Mts., Dades Region, Morocco
Special Info
Type Locality

Long, slender needles with rounded tips (typical of mercuric sulfides) to about 1mm maybe up to 1.5mm in vuggy Calcite matrix associated with leaf Silver (2.5cm).

Needle-like crystals with rounded tips to maybe 0.5 to .75mm in vuggy calcite or dolomite matrix.

Silvery-gray rods of Imiterite to <1mm with red Cinnabar crystals.

Click thumbnail images for larger view.

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