Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
variety of tourmaline |
| gptkbp:category |
silicate mineral
|
| gptkbp:color |
violet
neon blue greenish blue |
| gptkbp:containsElement |
copper
manganese |
| gptkbp:crystalSystem |
trigonal
|
| gptkbp:discoveredIn |
gptkb:Paraíba,_Brazil
1989 |
| gptkbp:hardnessMohs |
7 to 7.5
|
| gptkbp:hasResource |
gptkb:Brazil
gptkb:Mozambique gptkb:Nigeria |
| https://www.w3.org/2000/01/rdf-schema#label |
Paraíba tourmaline
|
| gptkbp:mainElementResponsibleForColor |
copper
|
| gptkbp:notableFor |
intense neon color
|
| gptkbp:pleochroism |
strong
|
| gptkbp:rarity |
rare
|
| gptkbp:refractiveIndex |
1.61 to 1.65
|
| gptkbp:relatedGroup |
elbaite
|
| gptkbp:usedFor |
gptkb:jewelry
|
| gptkbp:市值 |
very high
|
| gptkbp:bfsParent |
gptkb:Paraiba_Tourmaline
|
| gptkbp:bfsLayer |
7
|