Allaboutlearning
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Well polished Natural Carnelian Stone (medium size pieces)
- 0.1 Kg Lot (0.22 pound)
Weight per piece: 23 to 73 gram
Sizes: 28x25x24 mm to 48x39x29 mm (1.1x1.0x0.9 inch to 1.9x1.5x1.2 inch)
Quantity: about 2 to 4 pieces in each lot
These stones are from Brazil.
The pictures in the listing are just for reference as we are selling multiple pieces with same pictures.
***
Carnelian
Category Chalcedony variety
Chemical formula Silica (silicon dioxide, SiO2)
Molar mass 60 g / mol
Color Brownish-red
Crystal system Trigonal
Cleavage Absent
Fracture Uneven, splintery, conchoidal
Mohs scale hardness 6 - 7
Luster Vitreous, dull, greasy, silky
Streak White
Diaphaneity Translucent
Specific gravity 2.59 - 2.61
Carnelian, also called cornelian, a translucent, brownish-red, semiprecious variety of the silica mineral chalcedony that owes its red to reddish brown colour to colloidally dispersed hematite (iron oxide). It is a close relative of sard, differing only in the shade of red. Carnelian was highly valued and used in rings and signets by the Greeks and Romans, some of whose intaglios have retained their high polish better than many harder stones. Carnelian’s colour is enhanced by baking and dyeing with iron salts. Chief localities are Ratnapura, India; Campo de Maia, Braz.; and Warwick, Queens., Austl. Its physical properties are those of quartz.
Stones may be uniformly colored or faintly banded. The best carnelian is from India, where it is placed in the sun to change from brown to tints to red. Most carnelian on the market is stained chalcedony from Brazil or Uruguay.
Payment: By Paypal
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: We accept returns with any reason in 30 days. Buyer will bear the return shipping cost.
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
Well Polished Carnelian Stone 23 to 73 gram Medium size pieces 100 gram Lot
Well polished Natural Carnelian Stone (medium size pieces) - 0.1 Kg Lot (0.22 pound)
Weight per piece: 23 to 73 gram
Sizes: 28x25x24 mm to 48x39x29 mm (1.1x1.0x0.9 inch to 1.9x1.5x1.2 inch)
Quantity: about 2 to 4 pieces in each lot
These stones are from Brazil.
The pictures in the listing are just for reference as we are selling multiple pieces with same pictures.
*** Carnelian Category Chalcedony variety Chemical formula Silica (silicon dioxide, SiO2) Molar mass 60 g / mol Color Brownish-red Crystal system Trigonal Cleavage Absent Fracture Uneven, splintery, conchoidal Mohs scale hardness 6 - 7 Luster Vitreous, dull, greasy, silky Streak White Diaphaneity Translucent Specific gravity 2.59 - 2.61 Carnelian, also called cornelian, a translucent, brownish-red, semiprecious variety of the silica mineral chalcedony that owes its red to reddish brown colour to colloidally dispersed hematite (iron oxide). It is a close relative of sard, differing only in the shade of red. Carnelian was highly valued and used in rings and signets by the Greeks and Romans, some of whose intaglios have retained their high polish better than many harder stones. Carnelian’s colour is enhanced by baking and dyeing with iron salts. Chief localities are Ratnapura, India; Campo de Maia, Braz.; and Warwick, Queens., Austl. Its physical properties are those of quartz. Stones may be uniformly colored or faintly banded. The best carnelian is from India, where it is placed in the sun to change from brown to tints to red. Most carnelian on the market is stained chalcedony from Brazil or Uruguay.
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. ] Copyright of XXXXX. All right reserved. |
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