Images
Formula: (Ca,K,Na,Ba,☐)10(Si,Al)42O84.34H2O
Tectosilicate (framework silicate), paulingite subgroup,
zeolite group
Crystal system: Isometric
Specific gravity: 2.085 measured
Hardness: 5
Streak: White
Colour: Colourless, pale yellow
Environments
Localities
At the type locality, Three Mile Creek, Ritter, Grant County, Oregon, USA, paulingite-Ca occurs as very
small, 0.1 to 0.5 mm, transparent dodecahedra, in vesicular basalt. Associated minerals include
chabazite, "clay",
heulandite subgroup minerals and
phillipsite-Ca
(Mindat).
Paulingite-Ca from Three Mile Creek -
Image
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