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Mineral Specimens with Grossular
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5.0 x 4.5 x 3.5 cm. This is a textbook, large grossular garnet from Lake Jaco, Mexico. The lustre is excellent, and the color is a striking, light olive-green on this sharp dodecahedron. It is actually moderately translucent, too. The contacted base reveals the distinctive, radial growth pattern with color variations. An old specimen from the 1960s or 1970s. Ex. Dennis Mullane Collection.
5.4 x 4.4 x 1.6 cm. Two sharp, translucent, vibrant “raspberry” colored grossular garnet dodecahedrons to 1.5 cm are well-placed on the thin plate of sintered quartz matrix on this fine piece from the well-known Lake Jaco deposit of Mexico.
10.8 x 7.4 x 3.3 cm. An impressive cabinet plate richly covered with beautiful, gemmy, lustrous and striated, cinnamon-colored grossular garnets from the Jeffrey Mine of Quebec. Crystals reach 9 mm on this rather large display piece. This is a highly representative large garnet specimen from this historic locale. Ex. Saller Collection of Germany.
6.0 x 4.3 x 3.5 cm. Beautiful, brilliant, gemmy, dark red hessonite crystals to 5 mm richly cover the vuggy matrix and are very nicely accented with silvery-green clinochlore lamellae on this fine specimen from a classic Italian locale - Carboneri in the Pellice Valley. Very highly representative and rich material from this noted locale. Ex. Wes Parker Collection.
3.0 x 2.7 x 1.3 cm. A sharp, complete-all-around 1.3 cm crystal of unusually good Hessonite for this region. Garnet in orange hues seems to be actually quite rare here, and this is a very nice thumbnail example. Ex. Laura and Stevia Thompson Collection.
2.5 x 2.4 x 2.1 cm. Brilliant, gemmy crystals accompanied by what seems to be a spray of altered diopsides, though altered into what I have no idea. Ex. Laura and Stevia Thompson Collection.
2.9 x 2.7 x 2.0 cm. A very colorful cluster featuring a crystal to 1.4 cm. Ex. Laura and Stevia Thompson Collection.
3.0 x 2.5 x 2.1 cm. This specimen hosts the thickest and most richly colored crystal, a 1.6 cm hessonite, perched on matrix. A very good garnet thumbnail from any locale, but especially for this find. Ex. Laura and Stevia Thompson Collection.
A large, gorgeous and gemmy orange grossular garnet dodecahedron from the famous and now-closed Jeffrey Mine in Quebec, Canada. A bit of contacting on the back and very trivial edge damage is barely noticeable and in context to the size of this crystal is fairly trivial since it displays well from the front. Old dealer stock of Dr. Gary Hansen and not shown since the early 1980s! 1.8 x 1.7 x 1.7 cm
7.2 x 5.4 x 2.8 cm. Striking, gemmy and lustrous grossular garnets to 2.0 cm aesthetically fill a vug atop a sculptural wedge of matrix. The glassy, brick-red crystals have classic dodecahedral form. This piece is from Bishop, Inyo County, California. Very nearly pristine. A really fine grossular garnet specimen from this uncommon California locale.
MD-258732 - Grossular (Var: Hessonite), Clinochlore, Albite, Diopside - - Archived
Pollux Mt., Gorner glacier area, Zermatt, Matt Valley, Zermatt - Saas Fee area, Wallis (Valais), Switzerland
small cabinet, 8.8 x 5.8 x 3.2 cm.
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8.8 x 5.8 x 3.2 cm. This locality lies right on the Swiss/Italian border, just southeast of Zermatt. This specimen is one of the better examples of this material that I have seen from this locality. It features dozens of small, gem quality, deep orange-red color dodecahedral Hessonite crystals with trapezohedral modifications which are associated with bluish-green crystal aggregates of Clinochlore, small white crystals of Albite and one golden-green prismatic Diopside crystal. Ex. Richard Kosnar Collection.
2.5 x 1.9 x 1.7 cm. This thumbnail of tsavorite garnet not only is gemmy and a lovely emerald green color, but it is also on real matrix of silvery black graphite and a minor blue apatite - a most unusual association. The largest tsavorite crystal is doubly terminated and measures 1.1 cm in length. Overall, it weighs 39.84 carats.
2.1 x 1.6 x 1.5 cm. This is a beautiful apple-green, lustrous, translucent, crystal of grossular var. tsavorite, a rare and beautiful member of the garnet family. The crystal size and quality is exceptional for a specimen tsavorite - usually they are smaller and rougher. This 44.84 carat thumbnail is an example of the beauty and color that has made it rival emeralds in jewelry.
2.3 x 1.7 x 1.6 cm. This is a superb, stunningly attractive cluster of gemmy, emerald green grossular var. tsavorite on lustrous, black graphite with minor pyrite. The largest tsavorite measures 1.0 cm in length and the cluster weighs 31.37 carats.
1.8 x 1.5 x 1.1 cm. This specimen exhibits classic aesthetics for the locality. A superb, though small, crystal. A transparent orange garnet is perched on a lustrous greenish-gray crystal of diopside. The garnet measures .5 cm across and it is absolutely perfect.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
by specimen id.
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![Grossular from Lake Jaco, Sierra de la Cruz, Mun. de Sierra Mojada, Coahuila, Mexico [db_pics/mdpics/MD-254013a.jpg]](db_pics/mdpics/MD-254013a.jpg)
![Grossular from Lake Jaco, Sierra de la Cruz, Mun. de Sierra Mojada, Coahuila, Mexico [db_pics/mdpics/MD-255073a.jpg]](db_pics/mdpics/MD-255073a.jpg)
![Grossular from Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada [db_pics/mdpics/MD-255142a.jpg]](db_pics/mdpics/MD-255142a.jpg)
![Grossular from Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada [db_pics/mdpics/MD-255142b.jpg]](db_pics/mdpics/MD-255142b.jpg)
![Grossular (Var: Hessonite), Clinochlore from Carboneri, Villar Pellice, Pellice Valley, Torino Province, Piedmont, Italy [db_pics/mdpics/MD-256903a.jpg]](db_pics/mdpics/MD-256903a.jpg)
![Grossular (Var: Hessonite), Clinochlore from Carboneri, Villar Pellice, Pellice Valley, Torino Province, Piedmont, Italy [db_pics/mdpics/MD-256903b.jpg]](db_pics/mdpics/MD-256903b.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257380a.jpg]](db_pics/mdpics/MD-257380a.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257380b.jpg]](db_pics/mdpics/MD-257380b.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257461a.jpg]](db_pics/mdpics/MD-257461a.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257468a.jpg]](db_pics/mdpics/MD-257468a.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257472a.jpg]](db_pics/mdpics/MD-257472a.jpg)
![Grossular (Var: Hessonite) from Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-257472b.jpg]](db_pics/mdpics/MD-257472b.jpg)
![Grossular from Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada [db_pics/mdpics/MD-25823a.jpg]](db_pics/mdpics/MD-25823a.jpg)
![Grossular from Bishop, Tungsten Hills, Tungsten Hills District (Bishop District), Inyo Co., California, USA [db_pics/mdpics/MD-258305a.jpg]](db_pics/mdpics/MD-258305a.jpg)
![Grossular from Bishop, Tungsten Hills, Tungsten Hills District (Bishop District), Inyo Co., California, USA [db_pics/mdpics/MD-258305b.jpg]](db_pics/mdpics/MD-258305b.jpg)
![Grossular (Var: Hessonite), Clinochlore, Albite, Diopside from Pollux Mt., Gorner glacier area, Zermatt, Matt Valley, Zermatt - Saas Fee area, Wallis (Valais), Switzerland [db_pics/mdpics/MD-258732a.jpg]](db_pics/mdpics/MD-258732a.jpg)
![Grossular (Var: Hessonite), Clinochlore, Albite, Diopside from Pollux Mt., Gorner glacier area, Zermatt, Matt Valley, Zermatt - Saas Fee area, Wallis (Valais), Switzerland [db_pics/mdpics/MD-258732b.jpg]](db_pics/mdpics/MD-258732b.jpg)
![Grossular (Var: Tsavorite), Graphite, Apatite-(CaF) from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania [db_pics/mdpics/MD-258959a.jpg]](db_pics/mdpics/MD-258959a.jpg)
![Grossular (Var: Tsavorite) from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania [db_pics/mdpics/MD-258961a.jpg]](db_pics/mdpics/MD-258961a.jpg)
![Grossular (Var: Tsavorite), Graphite from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania [db_pics/mdpics/MD-258962a.jpg]](db_pics/mdpics/MD-258962a.jpg)
![Grossular (Var: Hessonite), Diopside from Belvidere Mountain Quarries (Vermont Asbestos Group mine; VAG mine; Ruberoid Asbestos mine; Eden Mills quarries), Lowell & Eden, Orleans & Lamoille Cos., Vermont, USA [db_pics/mdpics/MD-258967a.jpg]](db_pics/mdpics/MD-258967a.jpg)
![Grossular (Var: Hessonite), Diopside from Belvidere Mountain Quarries (Vermont Asbestos Group mine; VAG mine; Ruberoid Asbestos mine; Eden Mills quarries), Lowell & Eden, Orleans & Lamoille Cos., Vermont, USA [db_pics/mdpics/MD-258967b.jpg]](db_pics/mdpics/MD-258967b.jpg)