Scapolite

GPTKB entity

Statements (42)
Predicate Object
gptkbp:instanceOf granite
gptkbp:associatedMinerals gptkb:diopside
gptkb:calcite
gptkb:hornblende
granite
plagioclase
gptkbp:category silicate mineral
gptkbp:chemicalFormula (Na,Ca)4Al3Si9O24Cl
gptkbp:cleavage good
gptkbp:color blue
gray
green
white
yellow
pink
violet
gptkbp:crystalSystem tetragonal
gptkbp:discoveredIn 1913
gptkbp:event metamorphic rocks
igneous rocks
gptkbp:fluorescence may fluoresce under UV light
gptkbp:fracture uneven
gptkbp:grapeVariety gptkb:marialite
gptkb:silvialite
meionite
gptkbp:hardnessMohs 5.5–6
https://www.w3.org/2000/01/rdf-schema#label Scapolite
gptkbp:IMA_symbol Scp
gptkbp:luster vitreous
gptkbp:namedAfter Greek skapos (shaft) and lithos (stone)
gptkbp:refractiveIndex 1.54–1.58
gptkbp:relatedGroup feldspathoid
gptkbp:solubility insoluble in water
gptkbp:specificGravity 2.57–2.74
gptkbp:streak white
gptkbp:transparency translucent
transparent
gptkbp:uses granite
industrial applications
gptkbp:bfsParent gptkb:Precious_Stone
gptkb:Gem
gptkbp:bfsLayer 6