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Grossular

Unknown Owner
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Most mineral collectors have heard of Jeffrey mine, the reason being the truly exceptional Grossular and Vesuvianite crystals that were once found there. Even so, I think most collectors would be staggered by the sheer size and overall quality of this dome-like crystallized Grossular. Upon it, magnificent, classic, orange-coloured glassy Grossular crystals to 1 cm across completely coat the display surfaces, and present the iconic 'stepped' crystal faces for which Jeffrey is so renowned. Looking in detail at its crystals is in some ways like looking at modern art, with sharp lines and angles. Now closed for nearly two decades, the supply of fine specimens from Jeffrey mine is limited to the recycling of older collections with the better specimens rapidly snapped up. This remarkable cabinet-sized display specimen is covered in perfectly undamaged crystals, and large ones at that. It comes with a custom-made acryllic display stand.

Product details

SpeciesGrossular
SizeSmall Cabinet
Dimensions9.2 x 7.6 x 4.0 cm
Added on05/20/2026

Known provenance

DateCollectorAcquisition price
05/2026Unknown Owner$22,500.00
Crystal ClassicsNot disclosed

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 Jeffrey Mine, Canada
from Jeffrey Mine, Canada - gemmy orange to pink garnet on diopside-bearing matrix, classic rodingite formation, prized for color and rarity.