Gem Grade Black Tourmaline 2 to 5 g size complete pieces 40 gram Lot

Description

Gem Grade Black Tourmaline from Afghanistan (0.2 to 5 g size complete pieces) - 20 gram Lot
Small pieces - 40 gram lot (0.08 pound = 1.4 ounce)
Size: 2 to 5 gram each piece (10 to 25 carat)
Dimension:    8x4x3 mm to 28x8x6 mm (0.3x0.2x0.1 to 1.1x0.3x0.2 inch)
About 8 to 16 pieces in one lot.
The pictures in our listing are just for reference as we are selling multiple pieces with same pictures.
***
Tourmaline
Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored
Moh's Harness: 7-7½
Specific Gravity: 2.82-3.32
Allaboutlearning
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Gem Grade Black Tourmaline 2 to 5 g size complete pieces 40 gram Lot
Gem Grade Black Tourmaline from Afghanistan (0.2 to 5 g size complete pieces) -
20 gram Lot
Small pieces - 40 gram lot (0.08 pound = 1.4 ounce)
Size: 2 to 5 gram each piece (10 to 25 carat)
Dimension:    8x4x3 mm to 28x8x6 mm (0.3x0.2x0.1 to 1.1x0.3x0.2 inch)
About 8 to 16 pieces in one lot.
The pictures in our listing are just for reference as we are selling multiple pieces with same pictures.
***
Tourmaline
Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored
Moh's Harness: 7-7½
Specific Gravity: 2.82-3.32
Refractive Index: 1.614-1.666
Double Refraction: -0.014 to -0.032
Fluorescence: Weak or none
Cleavage: Indistinct
Fracture: Uneven, small conchoidal, brittle
Crystal System: Trigonal. Long crystals with triangular cross section and round sides.
Tourmaline's name comes from the Sinhalese word "turmali," which means "mixed." Tourmaline, occurring in more colors and combinations of colors than any other gemstone variety, lives up to its name. The many different colors or Tourmaline mean that this stone can easily be mistaken for just about any other gemstone.
One of the most versatile of gemstones, tourmaline is available in every color, from colorless to black. You can find every tone from pastel to dark, and even with one or more colors appearing in the same stone. It truly is a wondrous and fascinating stone!
Known for centuries, tourmaline first gained popularity when the Dutch began to import it in the early 17th century from Sri Lanka .
Color is the major characteristic for tourmaline. This stone is found in more hues, shades and nuances than any other gem. Here are some of the most common varieties that are recognized in the gem trade.
Tourmaline has strong
pleochroism
, which means you can see different colors or depths of color when viewed at different angles, such as when you rotate the stone in the light.
Item Specifics
Total Carat Weight (TCW)
100
Natural/Lab-Created
Natural
Color
Black
Shape
Rough
Treatment
Not Enhanced
Brand
Unbranded
Country/Region of Manufacture
Afghanistan
Country of Manufacture
Afghanistan
Carat Range
Greater than 6.00
Gemstone
Tourmaline Gemstone
Type
100% Natural
Variety/Type
Black
Transparency
Opaque
Country of Origin
Afghanistan
Payment
Payment: By Paypal
Shipping cost
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Return policy
Returns: We accept returns with any reason in 30 days. Buyer will bear the return shipping cost.
Messages
We will answer messages in 24 hours during working days.
[ Policy
: This is the contents of your policies. You can add a banner for this policy as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]
Allaboutlearning
Your best online business partner
Gem Grade Black Tourmaline 2 to 5 g size complete pieces 40 gram Lot
Gem Grade Black Tourmaline from Afghanistan (0.2 to 5 g size complete pieces) -
20 gram Lot
Small pieces - 40 gram lot (0.08 pound = 1.4 ounce)
Size: 2 to 5 gram each piece (10 to 25 carat)
Dimension:    8x4x3 mm to 28x8x6 mm (0.3x0.2x0.1 to 1.1x0.3x0.2 inch)
About 8 to 16 pieces in one lot.
The pictures in our listing are just for reference as we are selling multiple pieces with same pictures.
***
Tourmaline
Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored
Moh's Harness: 7-7½
Specific Gravity: 2.82-3.32
Refractive Index: 1.614-1.666
Double Refraction: -0.014 to -0.032
Fluorescence: Weak or none
Cleavage: Indistinct
Fracture: Uneven, small conchoidal, brittle
Crystal System: Trigonal. Long crystals with triangular cross section and round sides.
Tourmaline's name comes from the Sinhalese word "turmali," which means "mixed." Tourmaline, occurring in more colors and combinations of colors than any other gemstone variety, lives up to its name. The many different colors or Tourmaline mean that this stone can easily be mistaken for just about any other gemstone.
One of the most versatile of gemstones, tourmaline is available in every color, from colorless to black. You can find every tone from pastel to dark, and even with one or more colors appearing in the same stone. It truly is a wondrous and fascinating stone!
Known for centuries, tourmaline first gained popularity when the Dutch began to import it in the early 17th century from Sri Lanka .
Color is the major characteristic for tourmaline. This stone is found in more hues, shades and nuances than any other gem. Here are some of the most common varieties that are recognized in the gem trade.
Tourmaline has strong
pleochroism
, which means you can see different colors or depths of color when viewed at different angles, such as when you rotate the stone in the light.
Item Specifics
Total Carat Weight (TCW) :
100
Natural/Lab-Created :
Natural
Color :
Black
Shape :
Rough
Treatment :
Not Enhanced
Brand :
Unbranded
Country/Region of Manufacture :
Afghanistan
Country of Manufacture :
Afghanistan
Carat Range :
Greater than 6.00
Gemstone :
Tourmaline Gemstone
Type :
100% Natural
Variety/Type :
Black
Transparency :
Opaque
Country of Origin :
Afghanistan
Payment
Payment: By Paypal
Shipping cost
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Return policy
Returns: We accept returns with any reason in 30 days. Buyer will bear the return shipping cost.
Messages
We will answer messages in 24 hours during working days.
[ Policy
: This is the contents of your policies. You can add a banner for this policy as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]
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