Gemstone profile and identification guide
Cat's Eye Apatite
Cat's Eye Apatite is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.
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Overview
Cat's Eye Apatite is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.
Use this profile as a collector reference and educational guide for quick on-page comparison, then validate with the interactive identification system.
Identification
Name: Cat's Eye Apatite
Scientific classification: Silicate (Quartz)
Hardness: 7 Mohs
Transparency: translucent
Lustre: vitreous
Crystal system: Hexagonal
Primary colour: Yellow
Secondary colour: Purple
Colour family: Oranges & Yellows
Physical Properties
Hardness category: medium
Hardness value: 7 Mohs
Chemical composition: Silicon dioxide (SiO2)
Crystal system: Hexagonal
Common locations: Brazil, Madagascar, United States, Russia
Learn more: Gem-A gemstone education resources.
Colour Variations
Cat's Eye Apatite is classified within the oranges & yellows palette. Primary colour: yellow. Secondary colour: purple. Optical effects: Chatoyancy.
Optical effects: Chatoyancy
Formation
Crystallizes from silica-rich fluids in hydrothermal veins, geodes, and pegmatites.
Origin
Brazil, Madagascar, United States, Russia
Uses
Best for: Energy-focused jewellery and everyday cabochons.
Ideal uses: Everyday wear and bright collections.
Care
Clean with warm water and mild soap; avoid extended exposure to direct sunlight for dyed varieties.
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Cat's Eye Apatite FAQ
How can I identify Cat's Eye Apatite?
Compare hardness (7 Mohs), crystal system (Hexagonal), colour profile, and lustre (vitreous) with your sample. Then cross-check related gemstones listed above.
What colour range does Cat's Eye Apatite appear in?
Cat's Eye Apatite is classified within the oranges & yellows palette. Primary colour: yellow. Secondary colour: purple. Optical effects: Chatoyancy.
Where is Cat's Eye Apatite commonly used?
Everyday wear and bright collections.. For maintenance, follow the care guidance in this profile.
Scientific References
Reference data from GIA and Mindat mineral records.