|
gptkbp:instanceOf
|
granite
|
|
gptkbp:category
|
sulfate mineral
|
|
gptkbp:chemicalFormula
|
K2Ca2Mg(SO4)4·2H2O
|
|
gptkbp:cleavage
|
poor
|
|
gptkbp:color
|
gray
reddish
white
colorless
yellowish
|
|
gptkbp:containsElement
|
gptkb:sulfur
hydrogen
oxygen
calcium
potassium
magnesium
|
|
gptkbp:crystalSystem
|
monoclinic
|
|
gptkbp:diaphaneity
|
translucent
transparent
|
|
gptkbp:discoveredIn
|
1856
|
|
gptkbp:event
|
evaporite deposits
|
|
gptkbp:habit
|
massive
fibrous
granular
|
|
gptkbp:hardnessMohs
|
3.5
|
|
gptkbp:hasResource
|
gptkb:Yorkshire,_England
gptkb:Perm,_Russia
gptkb:Carlsbad,_New_Mexico
gptkb:Qinghai,_China
gptkb:Boulby_Mine
gptkb:Stassfurt,_Germany
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
polyhalite
|
|
gptkbp:IMA_symbol
|
gptkb:Plh
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:mainProducer
|
gptkb:China
gptkb:Germany
gptkb:Russia
gptkb:United_Kingdom
gptkb:United_States
|
|
gptkbp:namedAfter
|
Greek words for 'many' and 'salt'
|
|
gptkbp:radioactive
|
non-radioactive
|
|
gptkbp:solubility
|
water soluble
|
|
gptkbp:specificGravity
|
2.8
|
|
gptkbp:streak
|
white
|
|
gptkbp:symmetry
|
monoclinic 2/m
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
fertilizer
|
|
gptkbp:bfsParent
|
gptkb:Halite
|
|
gptkbp:bfsLayer
|
7
|