autunite

GPTKB entity

Statements (113)
Predicate Object
gptkbp:instance_of gptkb:Iron_Age
gptkbp:appearance perfect in one direction
gptkbp:application studied for its radioactive properties
gptkbp:characteristic birefringent
gptkbp:chemical_formula Ca(UO2)2(PO4)2·10-12 H2 O
gptkbp:color yellow to green
yellow to greenish-yellow
may change color when heated
gptkbp:color_variation greenish-yellow
can vary in color based on impurities
gptkbp:crystal_color often bright yellow
gptkbp:cultural_significance not widely used in jewelry due to radioactivity
gptkbp:difficulty 2.5 to 3 on Mohs scale
2.5 to 3 on the Mohs scale
gptkbp:discovery gptkb:France
discovered in 1852
gptkbp:dissolved soluble in acids
gptkbp:engine nuclear energy
used in radiation detection
gptkbp:environmental_concerns subject to mining regulations due to its radioactivity
gptkbp:environmental_impact can be hazardous due to radioactivity
gptkbp:first_described_by 1852
gptkbp:formation_temperature low-temperature hydrothermal processes
gptkbp:geological_features found in deposits from various geological ages
gptkbp:geological_formation often found in phosphate-rich environments
gptkbp:has_luminosity may fluoresce under UV light
gptkbp:historical_significance first uranium mineral described
https://www.w3.org/2000/01/rdf-schema#label autunite
gptkbp:is_found_in sedimentary rocks
granite and pegmatite rocks
gptkbp:is_visible_from transparent to translucent
gptkbp:isotopes yes
is radioactive
gptkbp:luster vitreous
vitreous to pearly
gptkbp:mineral_associations often associated with other uranium minerals
gptkbp:mineral_classification phosphate mineral
gptkbp:mineral_hardness soft mineral
gptkbp:mining_locations gptkb:Bangladesh
gptkb:Namibia
gptkb:Seychelles
gptkb:Afghanistan
gptkb:Argentina
gptkb:Australia
gptkb:Bahrain
gptkb:Brazil
gptkb:Canada
gptkb:Chile
gptkb:Cyprus
gptkb:Finland
gptkb:Germany
gptkb:Greece
gptkb:Iceland
gptkb:India
gptkb:Ireland
gptkb:Israel
gptkb:Italy
gptkb:Japan
gptkb:Jordan
gptkb:Kazakhstan
gptkb:Kuwait
gptkb:Lebanon
gptkb:Mexico
gptkb:Nepal
gptkb:New_Zealand
gptkb:Norway
gptkb:Pakistan
gptkb:Peru
gptkb:Portugal
gptkb:Qatar
gptkb:Russia
gptkb:Saudi_Arabia
gptkb:Scotland
gptkb:South_Africa
gptkb:Spain
gptkb:Sweden
gptkb:Turkey
gptkb:Ukraine
gptkb:United_Arab_Emirates
gptkb:United_States
gptkb:Wales
gptkb:Yemen
gptkb:Bhutan
gptkb:Czech_Republic
gptkb:Fiji
gptkb:Maldives
gptkb:Malta
gptkb:Oman
gptkb:Sri_Lanka
gptkb:Tibet
gptkb:Papua_New_Guinea
USA, Canada, France, and others
gptkbp:named_after the town of Autun, France
the town of Autun
gptkbp:natural_resources phosphate minerals
gptkbp:notable_artifact gptkb:torbernite
gptkb:carnotite
autunite group minerals
gptkbp:occurs_in found in uranium-bearing deposits
secondary uranium mineral
gptkbp:optical_appearance may show pleochroism
gptkbp:related_products gptkb:meta-autunite
gptkbp:release_region found in Namibia, South Africa, and others
gptkbp:safety requires careful handling due to radioactivity
gptkbp:season gptkb:yellow
gptkbp:strategic_importance important for uranium extraction
gptkbp:structure monoclinic
tabular to prismatic crystals
gptkbp:surface 3.2 to 3.4
gptkbp:twinning gptkb:common
gptkbp:uses uranium ore
used as a source of uranium
gptkbp:waste_management requires special disposal due to radioactivity