Laumontite
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Laumontite is a mineral, one of the zeolite group. Its molecular formula is CaAl2Si4O12·4H2O, a hydrated calcium-aluminium silicate. Potassium or sodium may substitute for the calcium but only in very
Laumontita
Laumontite crystals
Stilbite
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Stilbite is the name of a series of tectosilicate minerals of the zeolite group. Prior to 1997, stilbite was recognized as a mineral species, but a reclassification in 1997 by the International Minera
Laumontite
…is a common mineral, found worldwide. It can be locally abundant, forming seams and veins. It is frequently associated with other zeolites, including stilbite and heulandite. Notable occurrences are India; Paterson, New Jersey; Pine Creek, California; Iceland; Scotland; and the Bay of Fundy, Nova Scotia…
Fluorapophyllite Stilbite Ca indi 52b
Green Stilbite-Ca, which gets its color from inclusions of celadonite
Clustered on a matrix of white chalcedony are a group of light salmon stilbite crystals; adjoining is a cluster of mint green fluorapophyllite crystals
Intergrown pinkish stilbite crystals showing the "bow-tie" tendency from Jalgaon District, Maharashtra, India.