37.7 CTS REALGAR [RUBY SULPHUR] SPECIMEN [MGW4674]

Item Information

Dimensions (mm) 24 x 17 x 16mm
Weight (carats) 37.7 carats
Colors

MINERAL GEM WORLD

REALGAR

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

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.

Closed

1 bid placed so far
$12.00 mannequinhill
27th Oct 2017 2:40pm PDT
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Pricing & Details

Bid Increment $1.00
Starting Bid $12.00
Auction ID 497699
Watchers 6 watching
Viewed 599 times
Starts 26th Oct 2017 6:35pm PDT
Ends 27th Oct 2017 2:40pm PDT

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