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37.76 CTS TOURMALINE BLACK /GREEN GOLD. SPECIMEN [F4776]
- SKU
- Dimensions (mm)
- 25.000 x 13.000 x 13.000mm
- Weight (cts)
- 37.760
- Type
- Rough
- Colours
-
QUALITY ROUGH
SPECIMEN
TOURMALINE BLACK GREEN GOLD
This is a specimen of naturaluntreated 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 37.76 cts app
Size 25 x 13 mm
Mined in Brazil
Photo has been taken with the stone wet.
Tourmalineis 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.
- SKU
- Dimensions (mm)
- 25.000 x 13.000 x 13.000 mm
- Weight (cts)
- 37.760
- Type
- Rough
- Colours
-
QUALITY ROUGH
SPECIMEN
TOURMALINE BLACK GREEN GOLD
This is a specimen of naturaluntreated 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 37.76 cts app
Size 25 x 13 mm
Mined in Brazil
Photo has been taken with the stone wet.
Tourmalineis 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.
Shipping provider | Shipping to Australia | Shipping to rest of world |
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FedEx | $12.00 / 3 days | $39.00 / 10 days |
Australia
FedEx is discounted to $12.00 on orders with 2 or more items
Rest of the world
FedEx is discounted to $39.00 on orders with 2 or more items
|
||
Registered Shipping | $9.00 / 7 days | $16.00 / 21 days |
Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items
|
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Positive
Received in good condition and as expected. Thanks
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Positive
Paid and shipped - no feedback left after 100 days
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Positive
Paid and shipped - no feedback left after 100 days
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Positive
Paid and shipped - no feedback left after 100 days
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Positive
A+ seller great looking piece
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Positive
Paid and shipped - no feedback left after 100 days
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Description Accurate
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Comments
The Verified Seller has provided accurate and complete information for this gemstone including weight, dimensions and treatments where applicable.