In a similar manner, dark-green bloodstone contains red inclusions of iron oxide. As a particular form of quartz, it’s made of chalcedony that gifts an intense green color to this pick for luxury jewelry.
Bloodstone has two groups:
- Heliotrope. It’s the March birthstone of a transparent color with several red spots.
- Plasma. It’s an opaque bloodstone of a mostly homogenous green color.