Jasper Pendant
Jasper
Jasper is an opaque, impure variety of silica, usually red, yellow, brown or green in color.
Jasper is a cryptocrystalline variety of quartz.
The name Jasper is derived from Greek and means "spotted or speckled stone".
Physical properties of Jasper:
Chemical composition: SiO2
Crystal system: hexagonal
Crystal habit: massive microgranular
Specific gravity: 2.58 - 2.91
Hardness: 6.5 - 7
Luster: dull vitreous to greasy
Weight: 14 g
Dimensions: 4 cm × 2.5 cm × 1 cm
£5.00






