Ruby in Fuchsite (often confused with Ruby in Zoisite)

Physical Properties

Hardness: 9 (Ruby crystals) and 2-3 (Fuchsite matrix); Color: Pink/Red crystals in a Sea-foam green/blue-grey matrix; Luster: Vitreous to Pearly; Structure: Monoclinic; Cleavage: Perfect mica-like cleavage in matrix.

Formation & Geological History

Formed through regional metamorphism. Often found in greenstone belts where chromium and aluminum are present, allowing the growth of corundum within the mica-rich host rock.

Uses & Applications

Primarily used for decorative carvings, cabochons for jewelry, and as a popular metaphysical or collector's specimen.

Geological Facts

Many specimens also contain a thin blue-grey ring around the ruby crystals consisting of kyanite, which is a key indicator for ruby in fuchsite versus ruby in zoisite. It is often called the 'stone of social grace'.

Field Identification & Locations

Identify in the field by checking for the presence of the blue kyanite halo around rubies. It is commonly found in India, Brazil, and parts of Africa. Collectors look for vibrant red-to-matrix contrast.

Identified on: 4/29/2026

Mode: Standard