Statements (36)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
gptkb:prehnite
gptkb:heulandite gptkb:stilbite gptkb:calcite |
| gptkbp:category |
phyllosilicate
|
| gptkbp:chemicalFormula |
KCa4Si8O20(F,OH)·8H2O
|
| gptkbp:cleavage |
perfect
|
| gptkbp:color |
green
white yellow colorless pink |
| gptkbp:crystalSystem |
tetragonal
|
| gptkbp:discoveredIn |
1806
|
| gptkbp:event |
volcanic rocks
basalt cavities |
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
4.5-5
|
| https://www.w3.org/2000/01/rdf-schema#label |
apophyllite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
pearly |
| gptkbp:namedAfter |
Greek words meaning 'to leaf apart'
|
| gptkbp:relatedGroup |
gptkb:apophyllite_group
|
| gptkbp:specificGravity |
2.3
|
| gptkbp:streak |
white
|
| gptkbp:transparency |
translucent
transparent |
| gptkbp:uses |
collector's mineral
decorative stone |
| gptkbp:bfsParent |
gptkb:prehnite
gptkb:heulandite gptkb:stilbite gptkb:Prehnite |
| gptkbp:bfsLayer |
7
|