Colophonite
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Colophonite, less commonly kalophonit — an obsolete historical name for a brownish calcium-iron mineral of the garnet family, a variety of grossular, discovered as an associated metamorphic mineral in
Colophonite on wollastonite
Grossulars similar to colophonites
Hessonites (Liguria)
Grossular
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Grossular is a calcium-aluminium species of the garnet group of minerals. It has the chemical formula of Ca3Al23 but the calcium may, in part, be replaced by ferrous iron and the aluminium by ferric i
Colophonite
…κολοφωνία, kolophonia, rosin or rosin colors) — an obsolete historical name for a brownish calcium-iron mineral of the garnet family, a variety of grossular (later, andradite), discovered as an associated metamorphic mineral in the iron ore mines of the southern Norwegian islands, primarily Tromøya (near…
Grossular dodecahedron, 7 mm across, from Coahuila, Mexico
Striated crystals of hessonite, a variety of the grossular species
Color range of grossular graphically displayed at the National Museum of Natural History Washington, D.C.
Group of Grossular crystals, largest 1.1 cm, from Val-des-Sources, Quebec