Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:granite
|
| gptkbp:category |
sorosilicate
|
| gptkbp:chemicalFormula |
Ca2AlAl2(SiO4)(Si2O7)(OH)2·H2O
|
| gptkbp:cleavage |
perfect
|
| gptkbp:color |
brown
gray green |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:discoveredIn |
1925
|
| gptkbp:hardnessMohs |
5.5
|
| gptkbp:IMA_symbol |
Pmp-Al
|
| gptkbp:luster |
vitreous
dull |
| gptkbp:namedAfter |
gptkb:Raphael_Pumpelly
|
| gptkbp:relatedGroup |
gptkb:pumpellyite_group
|
| gptkbp:specificGravity |
3.2
|
| gptkbp:streak |
white
|
| gptkbp:tenacity |
brittle
|
| gptkbp:transparency |
translucent
|
| gptkbp:bfsParent |
gptkb:pumpellyite_group
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
pumpellyite-(Al)
|