metamorphic
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
Hardness: 5-6 (mix of minerals); Color: Silvery-gray, gold, and black; Luster: Metallic; Crystal Structure: Isometric inclusions in foliated matrix; Specific Gravity: approx 4.8-5.1.
- Hardness
- 5-6 (mix of minerals)
- Color
- Silvery-gray, gold, and black
- Luster
- Metallic
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Physical properties
Hardness: 5-6 (mix of minerals); Color: Silvery-gray, gold, and black; Luster: Metallic; Crystal Structure: Isometric inclusions in foliated matrix; Specific Gravity: approx 4.8-5.1.
Formation & geological history
Formed through regional metamorphism where iron-rich sedimentary or igneous rocks are subjected to high heat and pressure, allowing pyrite and magnetite crystals to grow within a schistose matrix.
Uses & applications
Primarily used as a metaphysical stone, in jewelry (cabochons), and as a collector's specimen for its unique metallic aesthetic.
Geological facts
Commonly known as 'Healer's Gold' in the gemstone trade, it is a naturally occurring combination and is notably magnetic due to the presence of magnetite.
Field identification & locations
Identify by its weight (dense for its size), magnetic properties (will attract a neodymium magnet), and the contrast between the golden pyrite and black magnetite. Primarily sourced from Arizona, USA.
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