Citrine

Physical Properties

Hardness: 7 (Mohs scale), Color: Yellow to brownish-orange, Luster: Vitreous (glassy), Crystal Structure: Trigonal/Hexagonal, Cleavage: None (conchoidal fracture), Specific Gravity: 2.65

Formation & Geological History

Formed in igneous and metamorphic rocks, specifically in geodes or veins where iron impurities are present in quartz. Most commercial citrine is created by heat-treating amethyst or smoky quartz.

Uses & Applications

Predominantly used in jewelry as a gemstone, decorative carvings, and as a popular specimen for mineral collectors and crystal healers.

Geological Facts

Natural citrine is quite rare; most 'citrine' in the market is actually heat-treated amethyst. It is known as the 'Success Stone' or 'Merchant's Stone' in folklore.

Field Identification & Locations

Identify by its hardness (scratches glass), lack of cleavage, and transparent yellow-to-orange hue. Commonly found in Brazil, Madagascar, and Russia.

Identified on: 4/20/2026

Mode: Standard