Statements (49)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Iron_Age
|
| gptkbp:appearance |
perfect in four directions
|
| gptkbp:characteristic |
isotropic
|
| gptkbp:collectibility |
popular among mineral collectors
|
| gptkbp:color |
varies (commonly purple, blue, green, yellow)
some varieties change color when heated |
| gptkbp:color_variation |
can exhibit color zoning within crystals
|
| gptkbp:composed_by |
can be synthesized in laboratories for research purposes
|
| gptkbp:composed_of |
calcium fluoride
|
| gptkbp:cultural_significance |
used in various cultures for decorative purposes
|
| gptkbp:difficulty |
4 on the Mohs scale
|
| gptkbp:engine |
used in the manufacture of glass and ceramics
|
| gptkbp:environmental_impact |
mining can lead to habitat destruction
|
| gptkbp:famous_landmark |
mined in places like the Cave-in-Rock District in Illinois
|
| gptkbp:famous_specimens |
notable specimens in museums and collections
|
| gptkbp:fluorescent_colors |
can fluoresce in various colors depending on impurities
|
| gptkbp:gemstone_quality |
high-quality specimens are cut and polished for gemstones
|
| gptkbp:geological_features |
found in rocks of various ages, from ancient to modern
|
| gptkbp:geological_formation |
formed in a variety of geological environments
|
| gptkbp:has_luminosity |
can fluoresce under ultraviolet light
|
| gptkbp:historical_use |
used in ancient times for ornamental carvings
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pte. Fluorite
|
| gptkbp:is_visible_from |
transparent to translucent
|
| gptkbp:isotopes |
not radioactive but can contain trace amounts of uranium
|
| gptkbp:jewels |
not a traditional birthstone but sometimes used in jewelry
|
| gptkbp:location |
found worldwide, including China, Mexico, and the USA
|
| gptkbp:luster |
vitreous
|
| gptkbp:mining_locations |
mined in large quantities for industrial use
|
| gptkbp:natural_resources |
part of the halide group
|
| gptkbp:notable_artifact |
often found with quartz, barite, and calcite
|
| gptkbp:notable_for |
used in optics and as a flux in steelmaking
|
| gptkbp:notable_locations |
notable deposits in the Illinois Fluorspar District
|
| gptkbp:occurs_in |
found in sedimentary rocks, hydrothermal veins, and as a gangue mineral
|
| gptkbp:origin |
from the Latin 'fluere' meaning 'to flow'
|
| gptkbp:safety |
generally safe to handle but should be kept away from acids.
|
| gptkbp:season |
gptkb:white
|
| gptkbp:strategic_importance |
important for the chemical industry
|
| gptkbp:structure |
isometric
commonly forms cubic crystals |
| gptkbp:surface |
3.18 to 3.19
|
| gptkbp:sustainability |
efforts to mine responsibly are increasing
|
| gptkbp:toughness |
brittle
|
| gptkbp:treatment |
can be treated to enhance color
can be treated with heat or radiation to enhance appearance |
| gptkbp:uses |
used in the production of aluminum, gasoline, and uranium fuel
|
| gptkbp:values |
value varies based on color and clarity
|
| gptkbp:varieties |
includes colorless, purple, blue, green, yellow, and brown varieties
|
| gptkbp:bfsParent |
gptkb:Our_Girl
|
| gptkbp:bfsLayer |
6
|