Grossular from Ala Valley, Piedmont, Italy - image 1
Grossular from Ala Valley, Piedmont, Italy - image 2

Grossular from Ala Valley, Piedmont, Italy

$350.00

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Beautiful deep red glassy translucent lustrous crystals of grossular to 0.5 cm in size across matrix. This is in very good condition as seen. This is the variety of the species often referred to as hessonite. The specimen comes with a previous label from the collection of Ray DeMark.Nestled in the Western Alps of Piedmont, Italy, the Ala Valley within the Lanzo Valleys features complex ophiolitic and metamorphic geology defined by ocean floor alteration and subduction tectonics that produced unique rodingite dikes. While the region has seen small scale historic mineral prospecting rather than large industrial excavation, it is world famous among mineralogists and collectors for yielding pristine, sharp crystal specimens of grossular, a calcium aluminum silicate member of the garnet family.

Product details

SpeciesGrossular
SizeSmall Cabinet
Dimensions6.0 x 5.0 x 4.0 cm
Listed on09/30/2026
LocalityItaly, Piedmont, Ala Valley
SKU2062765

Current owner

WM
Weinrich MineralsFeatured
3,402 for sale·9 sold

Learn more

Grossular
Mineral guide
Learn about Grossular
calcium-aluminum garnet with emerald to tsavorite greens and hessonite oranges; dodecahedra/trapezohedra in skarns, prized for color and rarity.
Grossular
Regional guide
Grossular from Ala Valley, Italy
from Ala Valley, Italy — Alpine hessonite with red-orange crystals in rodingite, prized for color, Alpine locality history, and striking matrix.
Locality guide
Ala Valley
Ala Valley, Italy—an Alpine locality famed for rodingite pockets yielding garnet-diopside-clinochlore, with striking colors and cabinet-quality specimens.