Danburite

GPTKB entity

Statements (77)
Predicate Object
gptkbp:instance_of gptkb:Iron_Age
gptkbp:appearance perfect in one direction
gptkbp:characteristic birefringent
gptkbp:chemical_formula Ca B2 Si2 O8
gptkbp:color colorless
gptkbp:color_variation gptkb:blue
gptkb:white
gptkb:yellow
pink
gptkbp:crafting_system gptkb:earrings
bracelets
necklaces
rings
gptkbp:difficulty 7.0 on Mohs scale
gptkbp:discovery_year 1839
https://www.w3.org/2000/01/rdf-schema#label Danburite
gptkbp:is_found_in metamorphic rocks
granite pegmatites
gptkbp:is_visible_from transparent
gptkbp:jewels gptkb:April
gptkbp:location gptkb:Japan
gptkb:Mexico
gptkb:USA
gptkbp:luster vitreous
gptkbp:named_after gptkb:Danbury,_Connecticut
gptkbp:natural_resources silicate
gptkbp:notable_artifact gptkb:granite
gptkb:Ferengi
gptkb:concert_tour
gptkbp:optical_appearance double refraction
gptkbp:release_region gptkb:Moldova
gptkb:Afghanistan
gptkb:Armenia
gptkb:Austria
gptkb:Brazil
gptkb:Bulgaria
gptkb:Canada
gptkb:Estonia
gptkb:Finland
gptkb:France
gptkb:Georgia
gptkb:Germany
gptkb:Hungary
gptkb:India
gptkb:Italy
gptkb:Kazakhstan
gptkb:Montenegro
gptkb:Myanmar
gptkb:Norway
gptkb:Pakistan
gptkb:Poland
gptkb:Romania
gptkb:Russia
gptkb:Serbia
gptkb:Slovakia
gptkb:Spain
gptkb:Sweden
gptkb:Switzerland
gptkb:Tajikistan
gptkb:Tanzania
gptkb:Turkmenistan
gptkb:Ukraine
gptkb:United_Kingdom
gptkb:Azerbaijan
gptkb:Czech_Republic
gptkb:Kyrgyzstan
gptkb:Lithuania
gptkb:Sri_Lanka
gptkb:Latvia
gptkb:Uzbekistan
gptkb:Madagascar
gptkbp:structure orthorhombic
gptkbp:surface 3.0 to 3.1
gptkbp:uses gptkb:jewelry
healing crystal
gptkbp:bfsParent gptkb:Bejeweled
gptkbp:bfsLayer 5