|
gptkbp:instance_of
|
gptkb:Iron_Age
|
|
gptkbp:appearance
|
perfect in one direction
|
|
gptkbp:associated_with
|
phosphate minerals
|
|
gptkbp:associated_with_minerals
|
molybdenite
|
|
gptkbp:characteristic
|
birefringent
|
|
gptkbp:chemical_formula
|
K2(UO2)2(VO4)2·3 H2 O
|
|
gptkbp:color
|
gptkb:yellow
bright yellow to greenish-yellow
|
|
gptkbp:color_in_thin_section
|
yellow to green
|
|
gptkbp:color_under_uv
|
fluorescent yellow
|
|
gptkbp:developed_by
|
extracted through mining
chemical leaching
|
|
gptkbp:difficulty
|
2.5 to 3 on Mohs scale
|
|
gptkbp:discovery
|
discovered in 1896
|
|
gptkbp:discovery_year
|
gptkb:1896
|
|
gptkbp:dissolved
|
soluble in acids
|
|
gptkbp:engine
|
nuclear energy production
|
|
gptkbp:environmental_impact
|
radioactive waste
radioactive waste concerns
|
|
gptkbp:formation_temperature
|
low temperature
|
|
gptkbp:found_in_deposits
|
uranium deposits
|
|
gptkbp:found_in_geological_settings
|
sedimentary basins
|
|
gptkbp:found_in_states
|
gptkb:New_Mexico
gptkb:Utah
gptkb:Arizona
gptkb:Nevada
gptkb:Wyoming
|
|
gptkbp:geological_features
|
Mesozoic
sandstone formations
|
|
gptkbp:geological_formation
|
formed in oxidizing environments
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
carnotite
|
|
gptkbp:is_found_in
|
gptkb:Colorado,_USA
sandstone deposits
|
|
gptkbp:is_visible_from
|
transparent to translucent
|
|
gptkbp:isotopes
|
radioactive
|
|
gptkbp:larval_stage
|
can be dispersed by water
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:mineral_class
|
phosphate minerals
|
|
gptkbp:mineral_classification
|
phosphate mineral
|
|
gptkbp:mineral_color
|
yellow-green
bright yellow
|
|
gptkbp:mineral_distribution
|
widely distributed in sedimentary basins
|
|
gptkbp:mineral_formation
|
formed from the alteration of uraninite.
|
|
gptkbp:mineral_hardness
|
soft mineral
|
|
gptkbp:mineral_history
|
important in the history of uranium mining
|
|
gptkbp:mineral_identification
|
identified by its yellow color and radioactivity
|
|
gptkbp:mineral_occurrence
|
secondary mineral
|
|
gptkbp:mineral_properties
|
contains uranium and vanadium
highly soluble in acids
|
|
gptkbp:mineral_research
|
studied for its uranium content
|
|
gptkbp:mineral_specimens
|
collected by mineral enthusiasts
|
|
gptkbp:mineral_toxicity
|
toxic due to radioactivity
|
|
gptkbp:mineral_uses
|
used in ceramics and glassmaking
|
|
gptkbp:mining_locations
|
gptkb:Colorado,_USA
extracted through open-pit mining
|
|
gptkbp:named_after
|
gptkb:Léon_Charles_Carnot
French chemist Alfred Carnot
|
|
gptkbp:natural_resources
|
vanadate minerals
|
|
gptkbp:notable_artifact
|
gptkb:autunite
uraninite
|
|
gptkbp:occurs_in
|
sedimentary rocks
found in sedimentary rocks
|
|
gptkbp:primary_use
|
gptkb:fusion
colorant in ceramics
|
|
gptkbp:radioactive_decay
|
alpha decay
|
|
gptkbp:related_to
|
gptkb:torbernite
gptkb:autunite
carnallite
vanadinite
|
|
gptkbp:release_region
|
gptkb:Namibia
gptkb:Australia
gptkb:Canada
gptkb:Kazakhstan
gptkb:USA
USA, Canada, Namibia
|
|
gptkbp:safety
|
handling precautions required
|
|
gptkbp:season
|
gptkb:yellow
|
|
gptkbp:structure
|
tetragonal
tabular crystals
|
|
gptkbp:surface
|
3.1 to 3.2
3.1 to 3.3
|
|
gptkbp:thermal_properties
|
low thermal conductivity
thermally stable up to 600° C
|
|
gptkbp:transmission
|
transmits UV light
|
|
gptkbp:uses
|
source of uranium
source of uranium and vanadium
|
|
gptkbp:values
|
varies based on uranium prices
|