(MGW) LARGE TOURMALINE SPECIMEN 200CTS [MW 256]

Item Information

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

TOURMALINE SPECIMEN 

THIS IS A TOURMALINE IN ITS NATURAL HOST ROCK. THIS SPECIMEN WAS MINED IN BAZIL AND IT IS A GREAT SPECIMEN OF PINK COLOUR-.TOURMALINE HAS A WIDE VARITY OF COLORS. USUALLY, IRON-RICH TOURMALINES ARE BLACK TO BLUISH-BLACK TO DEEP BROWN, WHILE MAGNESIUM-RICH VARIETIES ARE BROWN AND YELLOW, AND LITHIUM-RICH TOURMALINES ARE PRACTICALLY ANY COLOR: BLUE, GREEN, RED YELLOW, AND PINK ETC. RARELY IT IS COLOURLESS. BI-COLORED AND MUTLICOLORED CRYSTALS ARE RELATIVELY COMMON. REFLECTING VARIATIONS OF FLUID CHEMISTRY DURING CRYSTALLISATION. CRYSTALS MAY BE GREEN AT ONE END AND PINK AT EH OTHER, OUR GREEN ON THE OUTSIDE AND PINK INSIDE: THIS TYPE IS CALLED WATERMELLON TOURMALINE. SOME FORMS OF TOURMALINE ARE DICHROIC, IN THAT THEY APPEAR TO CHANGE COLOR WHEN VIEWED FROM DIFFERENT DIRECTIONS. 

SIZE: 52 25 X 27 MM APPROX. 

WEIGHT: 200CTS APPROX.

4d 10h 23m 13s

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Pricing & Details

Bid Increment $1.00
Starting Bid $138.00
Auction ID 9439
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Viewed 1,424 times
Starts 25th Sep 2017 2:27pm PDT
Ends 30th Sep 2017 2:24pm PDT

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