Global Gemology & Appraisals - Premier Jewelry Valuation Services
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BLOODSTONE

Picture
Carved bloodstone chalcedony hard stone cameo
Hand-carved bloodstone cameo
Variety:  Bloodstone (a.k.a Heliotrope)
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

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Victorian era ring featuring bloodstone set in 10K rose gold
Victorian era bloodstone ring

Bloodstone is an opaque, dark green variety of chalcedony with red spots.

Bloodstone is also known as heliotrope and blood jasper.

The red inclusions are due to iron oxide inclusions, specifically hematite.

Bloodstone was very popular in Victorian Era jewelry.

Bloodstone Gallery

Picture

All photos courtesy of Scott Papper, GG, ASA, CMA, RGA, AJP, CMSP, CSSP
  • HOME
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