|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
TOURMALINE BLACK GREEN GOLD
This is a specimen of natural untreated rough black tourmaline crystals with some interesting green gold colour .This isnt faceting material but suitable for cabs or specimens.
Mohs scale 7-7.5
Weight 10.88 cts app
Size 22 x 8 x 8 mm
Mined in Brazil
Photo has been taken with the stone wet.
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.
READ DESCRIPTION PLEASE REFUND - MY BAD IF I PURCHASED IT!!! I should have known: this is spray-paint booth buildup, layer by layer of different color paints. https://www.boredpanda.com/car-paint-deposits-fordite-detroit-agate/ This is definitely not a
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READ DESCRIPTION we will refund once we receive the return,
The Verified Seller has provided accurate and complete information for this gemstone including weight, dimensions and treatments where applicable.
|Starts||23rd Mar 2014 4:40pm PDT|
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