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Mineralpedia Details for Grossular

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Grossular

Grossular

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Grossular var. caswellite ps. from Franklin, Sussex Co., New Jersey, United States

Grossular var. caswellite ps.
            from Franklin, Sussex Co., New Jersey, United States

A classic example of this pseudomorph which must of puzzled the Franklin folks for some time and called "caswellite" up time modern times. Now, reduced only to just a pseudomorph of muscovite by Grossular garnet. The specimen comes with five older labels including Parker Minerals, Excalibur, and J. Cilen labels and two generics without collection names. Please see prov. tab.

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Grossular - chromium from Orford Nickel mine, Estrie, Quebec, Canada

Grossular - chromium
            from Orford Nickel mine, Estrie, Quebec, Canada

Thick coverage of bright green Chromian Grossular Garnets to 1mm on a mass of prismatic green-brown Diopside.

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Grossular from Belvidere Mountain Quarries, Orleans Co., Vermont, United States

Grossular
            from Belvidere Mountain Quarries, Orleans Co., Vermont, United States

Lustrous peach-colored Grossular variety Hessonite crystals to 7mm.

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Grossular from Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy

Grossular
            from Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy

Lustrous orange Hessonite Garnets to 3mm on matrix composed of a colorless Pyroxene and Clinochlore.

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Grossular from Ala Valley, Torino prov., Piedmont, Italy

Grossular
            from Ala Valley, Torino prov., Piedmont, Italy

Lustrous cherry-red Hessonite Garnet crystals to 3mm with clusters of soft flaky Chlorite on one face of solid Garnet-Diopside matrix.

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Grossular from Commercial quarry, Crestmore, Riverside Co., California, United States

Grossular
            from Commercial quarry, Crestmore, Riverside Co., California, United States

Red Grossular to 4mm with green Diopsite and white Gyrolite.

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Grossular from Jeffrey mine, Asbestos, Quebec, Canada

Grossular
            from Jeffrey mine, Asbestos, Quebec, Canada

Gemmy Grossular garnet to 8mm from this classic Canadian locality.

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Grossular - chromium from Magog, Quebec, Canada

Grossular - chromium
            from Magog, Quebec, Canada

Excellent bright green, euhedral Grossular garnets to 1mm colored green by chromium with green Diopside, also chrome rich. IThe darker crystals appear to be Epidote. Nice specimen originally thought to be Uvarovite.

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Grossular from Hunting Hill quarry, Rockville, Montgomery Co., Maryland, United States

Grossular
            from Hunting Hill quarry, Rockville, Montgomery Co., Maryland, United States

Orange 6mm crystals.

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Grossular from Sierra de Cruces, Coahuila, Mexico

Grossular
            from Sierra de Cruces, Coahuila, Mexico

"Raspberry" red grossular crystals, the largest to 9mm.

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Grossular from Italian Mountain, Gunnison Co., Colorado, United States

Grossular
            from Italian Mountain, Gunnison Co., Colorado, United States

Greenish yellow crystals to 5mm with pretty good luster. I think the white cubic crystals are Fluorite.

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Grossular from Vesper Peak, Snohomish Co., Washington, United States

Grossular
            from Vesper Peak, Snohomish Co., Washington, United States

Gemmy orange-red crystals to 8mm showing good luster. 

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