Kyanite Crystal Blue Rough Stone 0.5 to 11 g Small Pieces 180 Gram Lot

Description

All natural untreated Kyanite Crystal rough stone from Brazil.
Weight: 180 gram = 0.4 pound (small pieces lot) , some are very small  and some are larger (goods will be pick from the bulk bag randomly and may be from 32 to 50 pieces in each lot depends on size of each piece)
Size: 0.5 to 11 g each piece
Length: 1.5 to 5.5 cm (0.6 to 2.2 inch) each piece
The pictures in the listing are just for reference as we are selling multiple pieces with the same pictures.
***
Kyanite
Selltotheworld
From all around the world
Kyanite Crystal Blue Rough Stone 0.5 to 11 g Small Pieces 180 Gram Lot
All natural untreated
Kyanite Crystal rough stone
from Brazil.
Weight: 180 gram = 0.4 pound (small pieces lot) , some are very small  and some are larger (goods will be pick from the bulk bag randomly and may be from 32 to 50 pieces in each lot depends on size of each piece)
Size: 0.5 to 11 g each piece
Length: 1.5 to 5.5 cm (0.6 to 2.2 inch) each piece
The pictures in the listing are just for reference as we are selling multiple pieces with the same pictures.
***
Kyanite
Kyanite is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rock. Kyanite in metamorphic rocks generally indicates pressures higher than four kilobars. Although potentially stable at lower pressure and low temperature, the activity of water is usually high enough under such conditions that it is replaced by hydrous aluminosilicates such as muscovite, pyrophyllite, or kaolinite.
Kyanite is used primarily in refractory and ceramic products, including porcelain plumbing fixtures and dishware. It is also used in electronics, electrical insulators and abrasives.
Kyanite has been used as a semiprecious gemstone, which may display cat's eye chatoyancy, though this use is limited by its anisotropism and perfect cleavage. Color varieties include recently discovered orange kyanite from Tanzania. The orange color is due to inclusion of small amounts of manganese (Mn3+) in the structure.
Kyanite is found around the world where regional high pressures attributed to aluminious rocks occurs. It is also found in regions of South America including Brazil. In Europe, kyanite can be found in Serbia, Switzerland and throughout Russia. Kyanite deposits have also been found in Kenya and India. It is believed to have metaphysical properties in many of these locations by indigenous tribes.
Item Specifics
Country/Region of Manufacture :
Brazil
Color :
Blue
Treatment :
None (No Enhancement)
Origin :
Brazil
Modified Item :
No
Shape :
Rough
Natural/Lab-Created :
Natural
Country of Origin :
Brazil
Cut Grade :
Good
Transparency :
Opaque
Total Carat Weight (TCW) :
850
Brand :
Unbranded
Payment
By Paypal
Shipping
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.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
Selltotheworld
From all around the world
DESCRIPTION
PAYMENT
SHIPPING
RETURN POLICY
CONTACT US
Kyanite Crystal Blue Rough Stone 0.5 to 11 g Small Pieces 180 Gram Lot
All natural untreated
Kyanite Crystal rough stone
from Brazil.
Weight: 180 gram = 0.4 pound (small pieces lot) , some are very small  and some are larger (goods will be pick from the bulk bag randomly and may be from 32 to 50 pieces in each lot depends on size of each piece)
Size: 0.5 to 11 g each piece
Length: 1.5 to 5.5 cm (0.6 to 2.2 inch) each piece
The pictures in the listing are just for reference as we are selling multiple pieces with the same pictures.
***
Kyanite
Kyanite is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rock. Kyanite in metamorphic rocks generally indicates pressures higher than four kilobars. Although potentially stable at lower pressure and low temperature, the activity of water is usually high enough under such conditions that it is replaced by hydrous aluminosilicates such as muscovite, pyrophyllite, or kaolinite.
Kyanite is used primarily in refractory and ceramic products, including porcelain plumbing fixtures and dishware. It is also used in electronics, electrical insulators and abrasives.
Kyanite has been used as a semiprecious gemstone, which may display cat's eye chatoyancy, though this use is limited by its anisotropism and perfect cleavage. Color varieties include recently discovered orange kyanite from Tanzania. The orange color is due to inclusion of small amounts of manganese (Mn3+) in the structure.
Kyanite is found around the world where regional high pressures attributed to aluminious rocks occurs. It is also found in regions of South America including Brazil. In Europe, kyanite can be found in Serbia, Switzerland and throughout Russia. Kyanite deposits have also been found in Kenya and India. It is believed to have metaphysical properties in many of these locations by indigenous tribes.
Item Specifics
Country/Region of Manufacture :
Brazil
Color :
Blue
Treatment :
None (No Enhancement)
Origin :
Brazil
Modified Item :
No
Shape :
Rough
Natural/Lab-Created :
Natural
Country of Origin :
Brazil
Cut Grade :
Good
Transparency :
Opaque
Total Carat Weight (TCW) :
850
Brand :
Unbranded
Payment
By Paypal
Shipping
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.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
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