Statements (42)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Iron_Age
|
| gptkbp:characteristic |
birefringent
|
| gptkbp:color |
gptkb:black
gptkb:blue gptkb:green gray |
| gptkbp:composed_of |
silicate
|
| gptkbp:difficulty |
6 to 7 on Mohs scale
|
| gptkbp:discovery |
open-pit mining
underground mining |
| gptkbp:discovery_year |
1940s
|
| https://www.w3.org/2000/01/rdf-schema#label |
spectrolite
|
| gptkbp:is_found_in |
igneous rocks
metamorphic rocks |
| gptkbp:is_visible_from |
transparent to translucent
|
| gptkbp:location |
gptkb:Canada
gptkb:Finland gptkb:Norway |
| gptkbp:luster |
vitreous
|
| gptkbp:notable_artifact |
gptkb:granite
gptkb:Labrador gptkb:Rovaniemi gptkb:Lapland gptkb:Kola_Peninsula gptkb:Ferengi Kemi Kainuu Kemi-Tornio Salla biotite amphibole Kittila Ylämaa |
| gptkbp:pleochroism |
strong
|
| gptkbp:related_to |
gptkb:Dog
|
| gptkbp:structure |
triclinic
|
| gptkbp:surface |
2.68 to 2.72
|
| gptkbp:uses |
gptkb:jewelry
ornamental stone |
| gptkbp:values |
varies by quality
|
| gptkbp:bfsParent |
gptkb:Labradorite
|
| gptkbp:bfsLayer |
6
|