This is a pair of round-facet, deep-purple, natural African Amethyst gemstones. They weigh 0.25cts (0.50cts total) and measure 4mm across each.
Below are the technical details:
Size:
A Pair of 4mm
Shape:
Round-Facet
Colour:
Deep-Purple
Clarity:
Eye-Clean
Lustre:
Stunning
Origin:
Africa
Hardness:
7
Specific Gravity:
2.65 - 2.91
Refractive Index:
1.544 - 1.553
Chemical Composition:
SiO2, Silicon Dioxide
Crystal Structure:
Trigonal
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