Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:HOWLITE
Formula:Ca2B5SiO9(OH)5
Crystal System:Monoclinic
Strunz Nr:8/F.28-10
References:AM 55 (1970), 716; HB2/1 (1995)
Type Locality:Brookville, Windsor, Hants Co., Nova Scotia, Canada

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