Aerinite

Aerinite

Aerinite (Ca4(Al,Fe,Mg)10Si12O35(OH)12CO3·12H2O)http://rruff.geo.arizona.edu/doclib/hom/aerinite.pdf Handbook of Mineralogy] is a bright yellow to light brown inosilicate mineral. It crystallizes in the monoclinic system and occurs as fibrous masses and coatings. It has a vitreous luster, a specific gravity of 2.48 and a Mohs hardness of 3. [ http://www.webmineral.com/data/Aerinite.shtml Webmineral data]

It is a low temperature hydrothermal phase occurring in zeolite facies alteration of mafic rocks. Associated minerals include prehnite, scolecite and mesolite.

Its name comes from a Greek root "aerinos," meaning "atmosphere" or "sky". [http://www.mindat.org/min-34.html Mindat.org]

References


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