bloodstone

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Photo courtesy of Scott Papper, GIA GG, AJP, Global Gemology & Appraisals

Variety:  Bloodstone
Species:  Chalcedony
Mohs Hardness:  7 out of 10
Color:  Semi-translucent to opaque dark green with red or brownish red spots
RI:  1.535 to 1.539 (1.53 or 1.54 spot reading)
Birefringence:  Usually not detectable
SR/DR/AGG:  AGG
Spectrum:  Not diagnostic
Fluorescence:  Generally inert
SG:  2.60 (+0.10 / -0.05)

Bloodstone Facts

Photo courtesy of Scott Papper, GIA GG, AJP, Global Gemology & Appraisals

Bloodstone is a dark green chalcedony, known as jasper, with red "blood splatter" inclusions.

Bloodstone is also known as "heliotrope" and "blood jasper".

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Bloodstone Gallery