Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedWith |
gptkb:Baringer_Brothers
gptkb:English_Mine gptkb:Sapphire_Village Yogo dike |
| gptkbp:clarity |
high
|
| gptkbp:color |
blue
violet cornflower blue |
| gptkbp:containsMineral |
corundum
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:discoveredIn |
1895
|
| gptkbp:exportedTo |
gptkb:Asia
gptkb:Europe gptkb:United_States |
| gptkbp:foundIn |
gptkb:Montana
gptkb:Judith_Basin_County gptkb:Yogo_Gulch |
| gptkbp:hardness |
9 Mohs
|
| https://www.w3.org/2000/01/rdf-schema#label |
Montana Yogo sapphires
|
| gptkbp:marketedAs |
gptkb:Yogo_sapphires
|
| gptkbp:miningStarted |
1890s
|
| gptkbp:notableFor |
high transparency
natural color lack of inclusions lack of zoning resistance to color fading uniform color distribution |
| gptkbp:rarity |
rare
|
| gptkbp:treatment |
rarely heat treated
|
| gptkbp:usedFor |
gptkb:jewelry
|
| gptkbp:bfsParent |
gptkb:Gem_Gallery
|
| gptkbp:bfsLayer |
7
|