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72 specimens listed
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Prehnite - sharp gemmy crystals
stock #AX-24-495
Jeffrey Mine, Asbestos
Quebec, Canada
3.4 x 2.7 x 2 CM (small miniature/ large thumbnail (toenail))
price: $780
Spring 2020

Prehnite crystals which are unusually sharp, clear and distinct with textbook perfect form. An older specimen from the Jeffrey Quarry in Quebec which was at one time an incredible source of fine and often unique Prehnites. This is in flawless condition damage-wise. The matrix is a mix of needle crystals of Pectolite and micro Natrolite. The matrix is fluorescent as well. Very much a three dimensional specimen that displays well from almost any angle, the overall esthetics are impressive.
colorless Grossular on Prehnite
stock #AX-24-475
Jeffrey Mine, Asbestos
Quebec, Canada
3.7 x 2.4 x 2.1 CM (small miniature/ large thumbnail (toenail))
price: $440
Spring 2020

Doubly terminated Prehnite (3.7 CM) crystal showing sharply striated, glassy faces encrusted with small colorless Grossular crystals. One of the rarest colors for Garnet are the clear or white crystals which were found more than 30 years ago at the Jeffrey Quarry. Just as uncommon is the vivid fluorescence (orange to red) of these Grossular. The underlying Prehnite shows through on several areas of the specimen and is highly lustrous with distinct stepped structures and striations. No damage, a rare and choice combination from a classic, extinct locale. I understand this combination (Prehnite with colorless, fluorescent Grossular) is unique in this one find, and never seen elsewhere on the planet.
Prehnite -well crystallized with Pectolite
stock #AX-16-543
Jeffrey Mine, Asbestos
Quebec, Canada
4.7 x 3.3 x 3.2 CM (miniature)
price: $500
Spring 2020

Some of the best Prehnite ever found came from the Jeffrey Quarry and it came in many different habits and colors. The orange color on this piece is quite rare and the well isolated crystals reach to just under 2 CM. The crystals also show the curved and twisted faces that give a rounded, globular look at first glance. The matrix also hosts many needle crystals of Pectolite that add some sparkle on close inspection. Damage free, this is a well composed piece with the largest crystals prominently positioned. A choice Prehnite from anyplace and an especially fine, rare type from the Jeffrey Quarry.
Grossular - fine Gem Garnet
stock #AX-31-006B
Jeffrey Mine, Asbestos
Quebec, Canada
1.7 x 1.7 x 1.5 CM (thumbnail)
price: $950


Bright, lustrous, colorful and incredibly well formed gem Garnet from the Jeffrey Mine. A tiny bit of Diopside matrix and a small side car crystal are the only additions. In fine condition as seen, a quite superb thumbnail with well defined striations and a glass-like look. Single complete and well isolated crystals of this size are especially desirable. There were never many of top quality Grossular when the quarry was working but now these are just never seen.
Vesuvianite -gem clear
stock #AX-16-514
Jeffrey Mine, Asbestos
Quebec, Canada
2.2 x 1.6 x .8 CM (thumbnail)
price: $340


Thumbnail of Gem Vesuvianite that has an unusual side crystal. On this a slender off shoot crystal juts out at an angle. It is not so unusual to see very tiny crystals encrusting the sides of Vesuvianites but this sort of prismatic crystal is very rare. in fine condition as seen, no damage or chipping, a clean prismatic contact is on the back side of the main crystal. The Jeffrey mine at one time produced many good Vesuvianites, but very fine pieces were always rare, and now there are no more of any quality.
Vesuvianite -2 generations
stock #AX-24-172
Jeffrey Mine, Asbestos
Quebec, Canada
3.1 x 2.6 x 1.5 CM (small miniature/ large thumbnail (toenail))
price: $550


A killer for the size, this is a perfect 360 degree undamaged specimen of bright and colorful Vesuvianite. The main crystal is an intergrown cluster of striated green prisms that are all sharing the same termination. This is perched on some smaller green crystals which are partly coated with smaller light purple-violet Vesuvianites. These are also very lustrous and have lots of sparkle. Vesuvianites from the Jeffrey Mine are by far the most colorful and attractive of the specie. They are also wonderfully diverse and this one is quite unusual as well as a fine display piece.
Prehnite -very well crystallized
stock #AX-24-496
Jeffrey Mine, Asbestos
Quebec, Canada
3.6 x 2.8 x 2.1 CM (miniature)
price: $480


Unusually sharp and transparent crystals of Prehnite in an esthetic cluster. The crystals are in fine undamaged condition and this specimen has a lot of display impact. The Jeffrey mine is famed for its Garnets and Vesuvianite but the Prehnites found here were world class and of incredible variety. This is an excellent example showing the elongated blocky form with a delicate light green hue. Even though Prehnite is not a rare mineral and is found worldwide, good sharp crystals are rare and these from the Jeffrey are unique. Not found for some years, these are modern classics and no others from elsewhere have this look and habit.
Vesuvianite
stock #AX-32-089
Jeffrey Mine, Asbestos
Quebec, Canada
2.3 x 1.2 x .8 CM (thumbnail)
price: $250
Spring 2019

A sharply terminated bi-color crystal of glassy Vesuvianite from the great Jeffrey Mine. Gemmy in some areas this grades from a light pink-violet hue to a green top. No damage and a good, affordable Vesuvianite with classic form.
72 specimens listed
Page   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |