Tiffany stone
A variety of Fluorite
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About Tiffany stone
Formula:
CaF2
Colour:
Purple, blue purple
Lustre:
Sub-Vitreous, Resinous, Waxy, Greasy
Hardness:
4
Name:
Name of uncertain origin perhaps named for a Tiffany Harris of Utah. Folklore wrongly attributes the name to Tiffany and Company of New York which used purple colors in its decorative glassware.
A variety of Fluorite
A fine-grained purple to pale violet fluorite, usually with swirl patterns sometimes with small impurities of intergrown bertrandite, chalcedony, opal, and/or quartz.
A fine-grained purple to pale violet fluorite, usually with swirl patterns sometimes with small impurities of intergrown bertrandite, chalcedony, opal, and/or quartz.
Visit gemdat.org for gemological information about Tiffany stone.
Unique Identifiers
Mindat ID:
46089 (as Tiffany stone)
1576 (as Fluorite)
1576 (as Fluorite)
Long-form identifier:
mindat:1:1:46089:1 (as Tiffany stone)
mindat:1:1:1576:5 (as Fluorite)
mindat:1:1:1576:5 (as Fluorite)
GUID
(UUID V4):
(UUID V4):
b687fa0c-58d1-488d-9c5f-62aea6bcb080 (as Tiffany stone)
fa6f81a0-7691-46e7-9731-0435742f9b4e (as Fluorite)
fa6f81a0-7691-46e7-9731-0435742f9b4e (as Fluorite)
Physical Properties of Tiffany stone
Sub-Vitreous, Resinous, Waxy, Greasy
Transparency:
Translucent, Opaque
Colour:
Purple, blue purple
Comment:
May be variegated
Streak:
White
Hardness:
4 on Mohs scale
Hardness Data:
Mohs hardness reference species
Comment:
May be harder than 4 with high silicate mineral contents
Tenacity:
Brittle
Cleavage:
Perfect
{111}, Usually not observed due to fine-grained nature
{111}, Usually not observed due to fine-grained nature
Fracture:
Irregular/Uneven, Sub-Conchoidal
Chemistry of Tiffany stone
Mindat Formula:
CaF2
Elements listed:
Common Associates
Associated Minerals Based on Photo Data:
13 photos of Tiffany stone associated with Opal-AN | SiO2 · nH2O |
11 photos of Tiffany stone associated with Bertrandite | Be4(Si2O7)(OH)2 |
4 photos of Tiffany stone associated with Fluorite | CaF2 |
2 photos of Tiffany stone associated with Chalcedony | SiO2 |
1 photo of Tiffany stone associated with Hyalite | SiO2 · nH2O |
1 photo of Tiffany stone associated with Calcite | CaCO3 |
1 photo of Tiffany stone associated with Dolomite | CaMg(CO3)2 |
Fluorescence of Tiffany stone
The essential mineral in tiffany stone, fluorite, is not fluorescent, but impurities such as opal, etc. many fluoresce green or other colors.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
Used as a decorative material
Internet Links for Tiffany stone
mindat.org URL:
https://www.mindat.org/min-46089.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Tiffany stone
Reference List:
Localities for Tiffany stone
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
USA | |
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Brush Wellman Mine, Spor Mountain Mining District, Thomas Range, Juab County, Utah, USA