Item Information

Dimensions (mm) not provided
Weight (carats) not provided


This specimen was mined in Afganstian and it is a jet black specimen.Over 95 % of the worlds suppy of tourmailines found are black and it is also called SCHORL.This specimen still has quartz attached to it.

Weight 34 cts

Size 20x 18x15 mm

Tourmaline is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline gem stones come in a wide variety of colors.Tourmaline has a variety of colors. Usually, iron-rich tourmalines are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink etc. Rarely, it is colorless. Bi-colored and multicolored crystals are common, reflecting variations of fluid chemistry during crystallisation. Crystals may be green at one end and pink at the other, or green on the outside and pink inside: this type is called watermelon tourmaline. Some forms of tourmaline are dichroic, in that they change color when viewed from different directions.

12h 4m 9s

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Pricing & Details

Bid Increment $1.00
Starting Bid $11.00
Auction ID 60043
Watchers 2 watching
Viewed 1,108 times
Starts 27th Oct 2016 5:42am PDT
Ends 28th Oct 2016 5:40am PDT

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