Thomsonite

GPTKB entity

Statements (45)
Predicate Object
gptkbp:instanceOf granite
gptkbp:associatedMinerals gptkb:Analcime
gptkb:Heulandite
gptkb:Mesolite
gptkb:Natrolite
gptkb:Stilbite
gptkbp:category Zeolite
gptkbp:chemicalFormula NaCa2Al5Si5O20·6H2O
gptkbp:cleavage Perfect
gptkbp:color Brown
Green
Pink
Red
White
Yellow
gptkbp:crystalSystem Orthorhombic
gptkbp:discoveredIn 1820
gptkbp:event Basalt cavities
Vesicular volcanic rocks
gptkbp:fracture Uneven
gptkbp:habit Fibrous
Acicular
Globular
Radiating
gptkbp:hardnessMohs 5
https://www.w3.org/2000/01/rdf-schema#label Thomsonite
gptkbp:IMAStatus Approved mineral
gptkbp:luster Vitreous
Pearly
gptkbp:namedAfter gptkb:Thomas_Thomson
gptkbp:notablePlace gptkb:Faroe_Islands
gptkb:Iceland
Lake Superior, USA
Poona, India
gptkbp:relatedGroup Thomsonite group
gptkbp:specificGravity 2.35–2.4
gptkbp:streak White
gptkbp:symmetry Amm2
gptkbp:tenacity Brittle
gptkbp:transparency Translucent
Transparent
gptkbp:uses granite
Collector's mineral
gptkbp:bfsParent gptkb:Tectosilicates
gptkbp:bfsLayer 7