echellita Mineral Data, minerology database

Mineral Reference Lookup for echellita

This reference page contains mineralogic data for echellita and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.

Minerals matching echellita in the database: Echellita

Mineralogical Reference

echellita

Mineral	Echellita
Synonym	Thomsonite-Ca

Thomsonite-Ca (synonym)

Mineral	Thomsonite-Ca
Chemistry	NaCa 2 Al 5 Si 5 O 20 ·6H 2 O
CrystalSystem	Orthorhombic
Hardness	5 - 5½
IMAStatus	Approved
Discovered	1820
CellParameters	a = 13.08b = 13.05c = 13.22
Ratio	a:b:c = 1.002 : 1 : 1.013
OpticalType	Biaxial (+)
RI	n α =1.511 - 1.530 n β =1.513 - 1.532 n
Birefringence	δ=0.005 - 0.015
SurfaceRelief	Low
TypeLocality	Old Kilpatrick Strathclyde ( Dunbartonshire) Scotland U K
Strunz	8/J.21-70 8 : Silicates J : Tectosilicates (network) without anions unfamiliar to the tetraheders 21 : Zeolite groupNatrolite - Thomsonite series

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