Plagioclase series

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf mineral series
gptkbp:chemicalFormula (Na,Ca)(Si,Al)4O8
gptkbp:cleavage perfect on {001}
gptkbp:color blue
gray
white
gptkbp:composedOf gptkb:albite
anorthite
gptkbp:crystalSystem triclinic
gptkbp:discoveredBy gptkb:Johann_Friedrich_Christian_Hessel
gptkbp:foundIn metamorphic rocks
igneous rocks
gptkbp:hardnessMohs 6-6.5
gptkbp:hasMember gptkb:oligoclase
gptkb:albite
anorthite
andesine
bytownite
labradorite
https://www.w3.org/2000/01/rdf-schema#label Plagioclase series
gptkbp:luster vitreous
gptkbp:namedAfter Greek words for 'oblique' and 'fracture'
gptkbp:streak white
gptkbp:subclassOf gptkb:feldspar_group
gptkbp:usedFor gptkb:ceramics
glass production
geological studies
gptkbp:bfsParent gptkb:Anorthite
gptkbp:bfsLayer 7