Statements (40)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
gptkb:albite
quartz lepidolite spodumene tourmaline |
| gptkbp:category |
phyllosilicate
|
| gptkbp:chemicalFormula |
LiAlSi4O10
|
| gptkbp:cleavage |
perfect
|
| gptkbp:color |
gray
white yellow colorless pink |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:discoveredBy |
gptkb:José_Bonifácio_de_Andrada_e_Silva
|
| gptkbp:discoveredIn |
1800
|
| gptkbp:event |
granite pegmatites
|
| gptkbp:fracture |
uneven
|
| gptkbp:habit |
massive
granular tabular crystals |
| gptkbp:hardnessMohs |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Petalite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
Greek word 'petalon' (leaf)
|
| gptkbp:refractiveIndex |
1.504–1.520
|
| gptkbp:specificGravity |
2.4
|
| gptkbp:streak |
white
|
| gptkbp:symmetry |
P21/a
|
| gptkbp:tenacity |
brittle
|
| gptkbp:transparency |
translucent
transparent |
| gptkbp:uses |
gptkb:ceramics
gptkb:glass source of lithium |
| gptkbp:bfsParent |
gptkb:Precious_Stone
gptkb:Gem |
| gptkbp:bfsLayer |
6
|