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gptkbp:instance_of
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gptkb:item
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gptkbp:bfsLayer
|
4
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gptkbp:bfsParent
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gptkb:Green_Fluorite
gptkb:Purple_Fluorite
gptkb:Yellow_Fluorite
|
|
gptkbp:appearance
|
perfect in four directions
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|
gptkbp:artifacts
|
gptkb:item
calcite
barite
|
|
gptkbp:awards
|
vitreous
|
|
gptkbp:characteristics
|
birefringent
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|
gptkbp:color
|
colorless
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|
gptkbp:composed_of
|
calcium fluoride
|
|
gptkbp:depicted_in
|
transparent
|
|
gptkbp:difficulty
|
4 on Mohs scale
|
|
gptkbp:has_luminosity
|
may fluoresce under UV light
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Colorless Fluorite
|
|
gptkbp:is_found_in
|
gptkb:China
gptkb:Mexico
gptkb:South_Africa
gptkb:Spain
gptkb:USA
|
|
gptkbp:natural_resources
|
halides
|
|
gptkbp:occurs_in
|
found in hydrothermal veins
|
|
gptkbp:origin
|
from Latin 'fluere' meaning 'to flow'
|
|
gptkbp:social_structure
|
isometric
|
|
gptkbp:surface
|
3.18
|
|
gptkbp:uses
|
used in ceramics
used in metallurgy
used in jewelry
used in the manufacture of glass
used in optics
used in decorative items
used as a flux in steelmaking
used in the production of hydrofluoric acid
|