Marcasite

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf granite
gptkbp:chemicalFormula FeS2
gptkbp:cleavage distinct
gptkbp:color pale bronze-yellow
gptkbp:crystalSystem orthorhombic
gptkbp:diaphaneity opaque
gptkbp:distinctiveFeature brittle
decomposes in moist air
gptkbp:event hydrothermal veins
sedimentary rocks
gptkbp:fracture uneven
gptkbp:hardnessMohs 6-6.5
https://www.w3.org/2000/01/rdf-schema#label Marcasite
gptkbp:luster metallic
gptkbp:namedAfter Medieval Latin 'marcasita'
gptkbp:relatedGroup sulfide mineral
gptkbp:relatedTo gptkb:pyrite
gptkbp:specificGravity 4.8-4.9
gptkbp:streak grayish black
gptkbp:uses gptkb:jewelry
ore of sulfur
gptkbp:bfsParent gptkb:Cinnabar
gptkbp:bfsLayer 6