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Name Origin | It was named after the Algodones Mines in Chile where it was first discovered in 1857. |
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Chemical Formula | Cu6As |
Color | Silver white to steel gray; tarnishes rapidly to a dull brown |
Fracture | subconchoidal |
Hardness | 3-4 on the Mohs scale |
Crystal System | Hexagonal crystals rare; usually massiv, granular, reniforn |
Cleavage | none |
Specific Gravity (SG) | 3.38 |
Lustre | metalic |
Note: Algodonite stone is rarely cut, but when they are cut, they should be sprayed with lacquer to avoid tarnishing. Algodonite is very sensitive to heat, and care must be exercised in cutting.
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Actinolite
Barite
Amethyst
Amber
Adamite
Andalusite
Amblygonite
Canasite
Aragonite
Labradorite
Fluorite
Chert
Coral
Euclase
Herderite
Leucite
Azurite
By Ra'ike (see also: de:Benutzer:Ra'ike) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=6267326