Statements (45)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:item
|
| gptkbp:bfsLayer |
3
|
| gptkbp:bfsParent |
gptkb:mountain
|
| gptkbp:artifacts |
gptkb:Monarch
gptkb:item topaz |
| gptkbp:awards |
gptkb:August
vitreous |
| gptkbp:characteristics |
birefringent
|
| gptkbp:color |
gptkb:black
gptkb:blue gptkb:green gptkb:red gptkb:yellow gptkb:color brown purple colorless pink |
| gptkbp:composed_of |
Mg Al2 O4
|
| gptkbp:depicted_in |
transparent to opaque
|
| gptkbp:difficulty |
7.5 to 8 on Mohs scale
|
| gptkbp:ecumenical_relations |
weak
|
| https://www.w3.org/2000/01/rdf-schema#label |
purple spinel
|
| gptkbp:is_found_in |
igneous rocks
metamorphic rocks |
| gptkbp:location |
gptkb:Monarch
gptkb:Myanmar gptkb:Tanzania gptkb:Sri_Lanka |
| gptkbp:market |
gptkb:item
collectors market |
| gptkbp:notable_event |
gptkb:Black_Prince's_Ruby
gptkb:Timur_Ruby gptkb:Imperial_State_Crown gptkb:Crown_Jewels_of_England |
| gptkbp:social_structure |
isometric
|
| gptkbp:surface |
3.58 to 3.61
|
| gptkbp:treatment |
heat treatment
irradiation dyeing |
| gptkbp:uses |
gptkb:item
investment stone |
| gptkbp:values |
high
rare |