Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:alsoKnownAs |
gptkb:Green_quartz
|
| gptkbp:birefringence |
0.009
|
| gptkbp:category |
Silicate mineral
|
| gptkbp:chemicalFormula |
SiO2
|
| gptkbp:cleavage |
nan
|
| gptkbp:color |
Green
|
| gptkbp:crystalSystem |
Hexagonal
|
| gptkbp:event |
Rare in nature
|
| gptkbp:fracture |
Conchoidal
|
| gptkbp:hardnessMohs |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Prasiolite
|
| gptkbp:luster |
Vitreous
|
| gptkbp:nameOrigin |
From Greek 'prason' (leek) and 'lithos' (stone)
|
| gptkbp:opticalProperties |
Uniaxial (+)
|
| gptkbp:pleochroism |
nan
|
| gptkbp:productionMethod |
Heat treatment of amethyst or citrine
|
| gptkbp:radioactive |
nan
|
| gptkbp:refractiveIndex |
1.544–1.553
|
| gptkbp:relatedGroup |
Quartz group
|
| gptkbp:source |
gptkb:Brazil
gptkb:Canada gptkb:Poland gptkb:United_States |
| gptkbp:specificGravity |
2.65
|
| gptkbp:streak |
White
|
| gptkbp:tenacity |
Brittle
|
| gptkbp:transparency |
Transparent
|
| gptkbp:uses |
granite
|
| gptkbp:bfsParent |
gptkb:Chrysoprase
|
| gptkbp:bfsLayer |
6
|