description Bloodstone Overview
Bloodstone, also called heliotrope, is a dark green variety of chalcedony marked by red spots or patches caused by iron oxide minerals. The contrast between the green base and red inclusions is its defining visual feature. It has been collected and used for carved objects and jewelry for centuries, with important historical sources in India. Bloodstone is also traditionally associated with the month of March.
help Bloodstone FAQ
What is bloodstone made of?
Bloodstone, also called heliotrope, is a dark green variety of chalcedony. Its red spots or patches usually come from iron oxide minerals embedded in the stone.
Why does bloodstone have red spots?
The red marks are caused by iron-bearing mineral inclusions rather than by the green chalcedony itself. Their size, distribution, and intensity vary from one specimen to another.
What color is bloodstone?
The typical base color is dark green, contrasted by red inclusions. Some pieces have sparse spotting, while others show prominent red patches across the surface.
How is bloodstone used?
Bloodstone has been used for carved objects, ornamental pieces, and jewelry. Its contrast between green chalcedony and red inclusions is the main reason it is attractive to collectors and lapidaries.
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