|
gptkbp:instance_of
|
gptkb:jewelry
|
|
gptkbp:availability
|
commercially available
|
|
gptkbp:color
|
varies from yellow to red
|
|
gptkbp:composed_of
|
gptkb:Ferengi
|
|
gptkbp:cut
|
faceted or cabochon
|
|
gptkbp:difficulty
|
6 to 7 on the Mohs scale
|
|
gptkbp:discovery
|
open-pit mining
discovered in the early 1980s
|
|
gptkbp:has_natural_feature
|
color zoning
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Oregon Sunstone
|
|
gptkbp:is_found_in
|
gptkb:Lake_County,_Oregon
|
|
gptkbp:is_visible_from
|
transparent to translucent
|
|
gptkbp:jewels
|
not a traditional birthstone
|
|
gptkbp:luster
|
vitreous to pearly
|
|
gptkbp:market
|
popular among collectors
|
|
gptkbp:natural_resources
|
feldspathoid
|
|
gptkbp:notable_artifact
|
biotite, quartz
|
|
gptkbp:optical_phenomena
|
schiller effect
|
|
gptkbp:origin
|
gptkb:Oregon
|
|
gptkbp:similar_gems
|
sunstone, labradorite
|
|
gptkbp:state
|
designated as the state gem of Oregon in 1987
|
|
gptkbp:treatment
|
can be heat treated
|
|
gptkbp:uses
|
gptkb:jewelry
|
|
gptkbp:values
|
varies based on color and clarity
|
|
gptkbp:bfsParent
|
gptkb:The_State_of_Oregon
|
|
gptkbp:bfsLayer
|
5
|