Statements (22)
Predicate | Object |
---|---|
gptkbp:instanceOf |
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
|
https://www.w3.org/2000/01/rdf-schema#label |
pumpellyite-(Al)
|
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
|