18.63 CTS REALGAR [RUBY SULPHUR] SPECIMEN [MGW2914]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone

MINERAL GEM WORLD

REALGAR

This is a natural specimen frm the Gold Bar Mine in Eureka County Nevada USA. Interesting collectors specimen

Weight 18.63 cts app

Size 22 x 15 x 10 mm app

This specimen can fade if placed in strong sunlight

Realgais an arsenic sulfide mineral, also known as "ruby sulphur" or "ruby of arsenic". It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in association with the related mineral, orpiment . It is orange-red in colour, melts at 320 °C, and burns with a bluish flame releasing fumes of arsenic and sulfur. Realgar is soft with a Mohs hardness of 1.5 to 2 and has a specific gravity of 3.5. Its streak is orange colored. It is trimorphous with alacranite and pararealgar.Realgar most commonly occurs as a low-temperature hydrothermal vein mineral associated with other arsenic and antimony minerals. It also occurs as volcanic sublimations and in hot spring deposits. It occurs in association with orpiment, arsenolite, calcite and barite.

$12.00 USD

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Pricing & Details

Auction ID 321068
Watchers 3 watching
Viewed 1,210 times
Starts 6th Dec 2012 2:37pm PST

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