Fordite
Not a mineral (Synthetic anthropogenic material / Layered Automotive Paint) · Decorative Stone / Collector Material
Crystal System
Amorphous (Non-crystalline). It exhibits a layered or strata-like structure from successive applications of automotive paint.
Mineral Group
Anthropogenic Material (Man-made industrial byproduct)
Chemical Formula
Complex polymer mixture (primarily cross-linked enamel, acrylic, or polyurethane resins with metallic and organic pigments)
Formation Process
Found in automotive factories where cars were hand-spray painted. Over-spray accumulated on tracks and skids, becoming baked and hardened in industrial ovens over thousands of cycles, creating durable, stony layers.
About This Crystal
A heart-shaped cabochon featuring distinct, vibrant horizontal banding. The colors consist of alternating stripes of red, teal/turquoise, orange, and yellow. It has an opaque, glossy luster and a smooth, polished surface.
Physical Characteristics
Color: Multicolored bands; Streak: Not applicable (destructive to material); Cleavage: None; Fracture: Uneven to conchoidal; Specific Gravity: Approx. 1.2 - 2.0; Fluorescence: None; Tenacity: Brittle to slightly elastic.
Optical Properties
Opaque; luster is vitreous to waxy when polished. It does not exhibit mineral-like properties such as birefringence or refractive index in the standard crystalline sense.
Hardness & Durability
Origin Region
Detroit, Michigan (US); Dagenham (UK); and other historic automotive manufacturing hubs. Primarily found in old chassis assembly plants.
Hardness & Durability
Mohs hardness: 2.0 - 3.0. It is relatively soft compared to minerals like quartz. It is durable enough for jewelry if handled with care, but susceptible to scratching.
Care & Maintenance
Avoid ultrasonic cleaners and harsh chemicals (solvents, alcohols, or thinners will dissolve it). Clean with warm, soapy water and a soft cloth. Store separately to prevent scratching from harder gemstones.
Rarity & Value
Limited rarity. Authentic 'Old Stock' Fordite from defunct assembly lines is becoming increasingly rare as modern painting processes (electrostatic coating) do not produce this byproduct. Value depends on color variety and layer thickness.
Special Characteristics
Known for 'Motor Agate' banding; unique historical provenance tied to the automotive industry; each piece is unique based on the specific paint colors used during a factory production season.
Lore & History
Historically represents the mid-20th-century American industrial age. While not a natural crystal, practitioners of modern stone lore associate it with industrial history, recycling, and the 'rebirth' of discarded materials into beauty.