|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:apophyllite
gptkb:prehnite
gptkb:heulandite
gptkb:calcite
laumontite
|
|
gptkbp:category
|
tectosilicate
|
|
gptkbp:chemicalFormula
|
NaCa2Al5Si13O36·14H2O
|
|
gptkbp:cleavage
|
perfect
|
|
gptkbp:color
|
gptkb:orange
brown
green
red
white
yellow
pink
|
|
gptkbp:crystalSystem
|
monoclinic
|
|
gptkbp:discoveredBy
|
1818
|
|
gptkbp:event
|
basaltic volcanic rocks
cavities in igneous rocks
|
|
gptkbp:foundIn
|
gptkb:Faroe_Islands
gptkb:Iceland
gptkb:India
gptkb:Scotland
gptkb:United_States
|
|
gptkbp:fracture
|
uneven
|
|
gptkbp:habit
|
tabular crystals
fibrous masses
sheaf-like aggregates
|
|
gptkbp:hardnessMohs
|
3.5–4
|
|
gptkbp:hasVariant
|
gptkb:stilbite-Ca
gptkb:stilbite-Na
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
stilbite
|
|
gptkbp:IMAStatus
|
approved mineral
|
|
gptkbp:luster
|
vitreous
pearly
|
|
gptkbp:namedAfter
|
Greek stilbein (to shine)
|
|
gptkbp:radioactive
|
non-radioactive
|
|
gptkbp:relatedGroup
|
zeolite
|
|
gptkbp:solubility
|
insoluble in water
soluble in acids
|
|
gptkbp:specificGravity
|
2.1–2.2
|
|
gptkbp:streak
|
white
|
|
gptkbp:symmetry
|
monoclinic 2/m
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
collector's mineral
water purification
|
|
gptkbp:bfsParent
|
gptkb:natrolite
|
|
gptkbp:bfsLayer
|
6
|