56.65 CTS QUALITY TOURMALINE SPECIMEN -STUNNING [S7414 ]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
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TOURMALINE SPECIMEN

This is a quality natural specimen showing watermelon colours  on top of the stone.Naturally terminated.This is a great specimen for any collection.

 

TOURMALINE BIRTHSTONE FOR OCTOBER.

NATURAL UN HEATED

MINED IN TANZANIA

 

MOHS SCALE 7-7.5

WEIGHT  56.65 CTS

SIZE 40X14X12 MM

Tourmalines are a class 2 gemstone which means inclusions are acceptable

 

 

 

 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.

10h 39m 37s

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Pricing & Details

Bid Increment $1.00
Starting Bid $375.00
Auction ID 274672
Watchers 5 watching
Viewed 482 times
Starts 4th Dec 2016 8:42pm PST
Ends 6th Dec 2016 8:40pm PST

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