Tiffany stone
Bertrandite-rich Opalized Fluorite
A variety of Fluorite
What is Tiffany stone?
Tiffany Stone is a rare and beautiful rock composed primarily of opalized fluorite, bertrandite, chalcedony, and other trace minerals. It is prized for its striking patterns and purple-lavender hues. This stone is found almost exclusively in Utah, USA, and is often used in lapidary and collector applications.
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Tiffany stone Localities Map
See where Tiffany stone is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Purple, lavender, cream, white, black
- Hardness (Mohs)
- 5 - 6
- Density
- 2.5 - 2.9 g/cm³
- Streak
- White
- Luster
- Waxy, Sub-vitreous, Greasy
- Crystal System
- Amorphous (dominantly opal and chalcedony)
Chemical Properties
- Chemical Formula
- Complex mixture — primarily SiO₂ (opal/chalcedony), CaF₂ (fluorite), and Be₄Si₂O₇(OH)₂ (bertrandite)
- Elements
- Si, O, Ca, F, Be, H
Also Known As
BertranditeOpalized FluoriteIce Cream OpalPurple Passion
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