Gem Silica
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About Gem Silica
Colour:
Medium blue occasionally with a tinge of green from other minerals
Lustre:
Vitreous, Sub-Vitreous, Resinous
Hardness:
5½ - 6½
A gem name for a chalcedony coloured by chrysocolla.
Visit gemdat.org for gemological information about Gem Silica.
Visit gemdat.org for gemological information about Gem Silica.Unique Identifiers
Mindat ID:
43545
Long-form identifier:
mindat:1:1:43545:1
Pronunciation of Gem Silica
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Gem Silica
Vitreous, Sub-Vitreous, Resinous
Transparency:
Translucent
Comment:
Takes a high polish
Colour:
Medium blue occasionally with a tinge of green from other minerals
Streak:
White
Hardness:
5½ - 6½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal, Sub-Conchoidal
Geological Environment
Geological Setting:
Veins in copper ore deposits
Common Associates
Associations Based on Photo Data:
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:
Gem material
Internet Links for Gem Silica
mindat.org URL:
https://www.mindat.org/min-43545.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Gem Silica
Reference List:
Localities for Gem Silica
Showing 4 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Peru | |
| Locality description |
USA | |
| Brian Cowger |
| Brian Cowger |
| Chris Boyd |
Ray Mine, Scott Mountain, Pinal County, Arizona, USA