Wernerite

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf granite
gptkbp:associatedMinerals gptkb:diopside
gptkb:wollastonite
granite
gptkbp:category silicate mineral
gptkbp:chemicalFormula (Na,Ca)4(Al3Si9O24)Cl
gptkbp:cleavage distinct
gptkbp:color gray
greenish
white
yellowish
gptkbp:crystalSystem tetragonal
gptkbp:discoveredIn 1791
gptkbp:event metamorphic rocks
gptkbp:fluorescence may fluoresce under UV light
gptkbp:fracture uneven
gptkbp:hardnessMohs 5.5
https://www.w3.org/2000/01/rdf-schema#label Wernerite
gptkbp:IMAStatus discredited as a distinct mineral species
gptkbp:luster vitreous
gptkbp:namedAfter gptkb:Abraham_Gottlob_Werner
gptkbp:relatedGroup scapolite group
gptkbp:specificGravity 2.6
gptkbp:streak white
gptkbp:transparency translucent
transparent
gptkbp:bfsParent gptkb:A.G._Werner
gptkbp:bfsLayer 7