Black Silk Web Jasper, Heishi, One 4x2mm Strand

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Black Silk Web Jasper, Natural, Heishi, 4x2mm.

This price is for one strand that is 15-16" long.

4x2mm strands have 145 to 150 pieces.  

Black Silk Web Jasper has an interesting pattern and lines in blacks, greys and creams.  It is also known by the name of Black Line or Black Spider Web Jasper. 

Jasper is a member of the chalcedony family. It is usually an opaque stone with a solid color or an irregular display of colors caused by various mineral impurities. Its colors are usually red, yellow, brown, or green in color and rarely blue. The common red color is due to iron inclusions. It often contains an abundance of impurities, and therefore some regard it as a rock instead of a mineral. Patterns arise during the consolidation process forming flow and depositional patterns in the original silica rich sediment or ash. The Jasper name means "spotted or speckled stone".

Jasper is known to have been a favorite gem in the ancient world; its name can be traced back in Arabic, Persian, Hebrew, Assyrian, Greek and Latin. Jasper in mentioned many times in the Bible. Green jasper was used to make bow drills between 4th and 5th millennium BC.

Hardness 6.5-7 

This is a natural stone that has had no treatment other than cutting, drilling, and polishing.

The source of these beads is China and they are cut, drilled and polished in China.