Grossular garnet is a fusion of calcium and aluminum, often with a fair percentage of iron included in the mix. An excellent thumbnail specimen from this classic locality! It is MAJOR Ex Richard Hauck ... Green crystals, about 1 mm long, on diopside. The name 'grossular' is derived from the botanical name for the gooseberry, 'grossularia'. Best in stereo (child photo). The pictures don't seem to do this one justice! FOR SALE! P. Cristofono specimen and photo. iron garnet. It has the chemical formula of Ca3Al23 but the calcium may, in part, be replaced by ferrous iron and the aluminium by ferric iron. Ex. You can see some euhedral contacts where little grossularites grew against it. Specimen is from the collection of Ray Grant (1975). Add to Wish List. Overall size of mineral specimen: 19x16x12 mm. This xl has a distinctly “aqua” hue. The Vermont State Gem, the Grossular garnet, Ca3Al2(SiO4)3, is technically a mineral - a silicate, which is colored brown due to the presence of iron. 35: 123-135; The Mineralogical Record, 10(2),pp:69-80. 506. Note the complex additional stepped faces on many crystals, which result in extra reflection of light and more "sparkle" to the piece overall. sometimes used as a gem. Ex. Collection Domenico Preite, Image is 10mm wide. Pure Grossular is colorless; the wide range of colors in this Garnet is caused by various impurities. (See MinRec V10 #2, The Jeffrey Mine, Grice and Williams.) Russ Buckingham collection. drive away demons. Other shades include cinnamon brown, red, … Magical properties were assigned Belvidere Mountain Quarries, Lowell & Eden, Orleans & Lamoille Cos., Vermont, USA. 6 mm crystal. 6.9 x 5.4 x 4.9 cm. A beautiful, gemmy, reddish-orange grossular garnet is aesthetically perched on lustrous, parallel-growth diopside blades. 1.6 x 0.9 x 0.7 cm. Chemical Symbol:Ca3Al2Si3O12 Chemical Make-up:Grossular Garnet is a Calcium Aluminum Silicate, with its wide array of colors caused by various trace mineral impurities. Single crystal of transparent orange grossular garnet 12 mm across with several 1 mm grossular crystals on the surface. Eden Mills, Vermont. Official State Gem of Vermont. 1 V.S.A. Size of individual crystals: 8 mm. The law designating the rossular garnet as the official Vermont state gem is found in the Vermont Statutes Online, Title 1, Chapter 11, Section A cluster of very Overall size of mineral specimen: 12x11x7 mm. It is complete except for one corner, where there was probably a contact. Grossular garnet from the Belvidere Mine at Eden Mills is thought to be the finest specimen of its kind anywhere. Al Sebela collection. A GORGEOUS plate RICHLY covered with intensely gemmy and glassy orange grossular garnet crystals to 5 mm with vesuvianite from Eden Mills, Vermont. 55509: Grossular Garnet from Belvidere Mountain Quarries, Lowell (commonly called Eden Mills), Orleans County, Vermont. Grossular garnet. Chapter 11: FLAG, INSIGNIA, SEAL, ETC. It was suspose to repel insects and some five hundred years ago, people believed that it would Gemstone:Grossular Garnet Birthstone Month:Garnet is the gemstone for the month of January. Sharp, textbook crystals of this intense raspberry-colored garnet measure to 2 cm across on this cabinet piece. CLASSIC and beautifully choice material from the Ken Hollmann Collection. Measures 2.8 x 2.2 x 1.7 cm in size overall. Overall size of mineral specimen: 25x18x15 mm. Brian Kosnar Collection. A 3-cm-across, sharp, textbook crystal of wine-red garnet sits here on a well trimmed matrix. Grossular Garnet with Diopside (classic material) (ex Chet Lemanski Collection) Belvidere Mountain Quarries, Lowell & Eden, Orleans & Lamoille Counties, Vermont 5.9 x 4.0 x 3.2 cm Start Time: 10/15/2020 8:45:00 pm (CDT) End Time: 10/22/2020 7:05:00 pm (CDT) Auction Closed Winning Bid: $191 Winning Bidder: tubman 506. 2.5 x 1.3 x 1.0 cm. The large crystals are very clean, with minimal damage. P. Cristofono specimen and photo. 506. Grossular garnet, the State Gem, is technically a mineral -- a silicate, which is colored brown due to the presence of iron. You have seen these garnets before, but almost all are rather opaque and pink. 1, eff. Lustrous single grossular garnet crystal. Sess. TN LIGHT GREEN GARNETS ON DIOPSIDE, LOWELL MINE, EDEN MILLS, VERMONT. Grossular garnets come in almost every color, even colorless, except blue. Add to Compare. Geiger C A, Armbruster T (1997) Mn3Al2Si3O12 spessartine and Ca3Al2Si3O12 grossular garnet: Structural dynamics and thermodynamic properties American Mineralogist 82 740-747: 1997: 0: 100: 0001924: Grossular Specimen courtesy of Kaygeedee Minerals, Ottawa. Very nice crystal from the classic locale for this species. A trivial edge bruise and very minor periphery contacting is certainly not detracting. Free shipping . Grossular garnet from the Belvidere Mine at Eden Mills is thought to be the finest specimen of its kind anywhere.----- from Office of the Secretary of State, Vermont Legislative Directory and State Manual, Green crystals to 2 mm on diopside. Collection Domenico Preite. The mine known as Eden Mills quarry is located on Belvidere Mountain, situated between Lowell and Eden, Vermont and was mined for asbestos starting in the early 1900s and closed in 1993. This specimen consists of two intergrown, intense red grossular crystals on green diopside crystals. Gemmy orange-red grossular garnet crystals on diopside. Glassy, very slightly pinkish, transparent gem quality glassy lustrous grossular crystals to 7 mm in size set nicely on matrix. for the garnet minerals. The largest garnet measures 3/8 inch across a face. This specimen from the famous Eden Mills area in Vermont is a mixture of honey-colored grossular and pale green tremolite crystals. Garnet may even protect one from thieves. P. Cristofono specimen and photo, field-collected 1997. Ex. Self-collected by Bob Whitmore in the late 1970s. Garnet var.grossular in to sanidinitic rock;crystal dim.1 mm. Ex. This is a nice, large crystal for the locality. This mine is closed and specimens of this calibre are simply unobtainable, and have been for some time. Vermont State Gemstone or Gem Grossular garnet Ca3Al2(SiO4)3 Adopted in 1991. 5.8 x 4.9 x 3.7 cm. 7 mm red grossular crystal with green diopside. Ex. SUPERB GROSSULAR GARNETS with Diopside TN, Eden Mills, Vermont - $76.42. Grossular garnets range from reddish brown to … Collection Domenico Preite photo Matteo Chinellato, 3.5 x 3.0 x 2.0 cm. Grossular is the calcium aluminum garnet and forms in contact or regional metamorphic enviroments as does andradite the calcium This locality is now closed so buy 'em while you can! Beginning in the 1950s miners found Grossular garnets and vesuvianites. Ex. Joe Budd photos. From Office of the Secretary of State, Vermont Legislative Directory and State Manual, Biennial Session, 1993-1994, p. 25. Acquired in 2007. 11.0 x 7.0 x 4.3 cm. As hard as it is to find one of these now, it will only get harder. Garnets were supposed to hold healing properties, relieving Grossular on Pyrite w/ VesuvianiteBelvidere Mountain Quarries (Vermont Asbestos Group Mine), Eden & Lowell, VermontThis piece, although little, is absolutely amazing. You do not normally see such large xls in this condition. Grossular with diopside. is probably the most colorful of the garnets. © 2005 by Dominik Schläfli. Gemmy and lustrous, reddish brown grossular garnet crystals to 8 mm with distinctive, frosted edges with a large, crude pseudomoph of an epidote crystal. ? Consciously sourced Earth to Pocket. This specimen from the now-closed Jeffrey Asbestos quarry features a nearly 1-inch, 2-cm garnet in the middle of smaller crystals. Less than 1% by weight of chromium oxide can lend the green color to the core of grossular crystals from Asbestos, Quebec. An absolutely perfect, lustrous, textbook grossular garnet of 2 cm, beautifully exposed on the matrix, of the creamy color characteristic for this locality. Size of individual crystals: 5-10 mm. All Rights Reserved, Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA. ? A nice combination thumbnail from Eden Mills and the Robert Whitmore Collection. Henry Minot photo & collection. Gene Meieran Collection. Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic, Russia. The orange variety is the most common and specimens of orange grossular crusts are prized by many collectors. Grossular Garnet Thumbnail, 2.0 x 1.8 x 1.8 cm Eden Mills, Lamoille County, Vermont, USA Ex. ), Sierra de Cruces, Sierra Mojada Municipality, Coahuila, Mexico. All State Gems & Gemstones Ex. Allan Young specimen and photo. 2.5 mm crystal from Bedford. The name grossular is derived from the botanical name for the gooseberry, grossularia. Grossular Garnet (19 complex crystals) from Belvidere Mountain Quarries, Lowell (commonly called Eden Mills), Orleans County, Vermont The term Grossular is from the Latin word for gooseberries. Superb red grossular garnet crystals on green diopside from the collection of former quarry superintendent. Collection and photo Jesse Crawford. Grossular Garnet The official state gemstone of Vermont is the Grossular garnet, which is found throughout the state. This is an old and rare style, for the locality, quite different from the generally matte finish crystals you usually see from here in a variety of browns and orange colors (and, from one large find of the past, in pink). This jewel-like specimen has super luster, intense deep color, and good aesthetics. The green garnets from the Thetford Mines in Quebec, Canada are now considered by many to be uvarovite, or at least a grossular-uvarovite hybrid, whereas Classic combination material from this very ... 5.0 x 4.2 x 3.8 cm. A superb thumbnail specimen for this species with cinnamon colored glassy lustrous transparent gemmy grossular crystals measuring 1.2 cm in size set on a 2.8 x 2.3 x 1.7 cm matrix. Grossular (also known as grossularite), like other Bellecombe, Châtillon, Aosta Valley, Italy, Nicest 3.27 mm Hessonite crystal. Superb pair of intergrown Garnets sitting on a bed of dipside crystals. Compositing software CombineZP. Collection D.Preite photo M.Chinellato, complex red crystal of grossular var.hessonite up to 3.18 mm This crystal habit is classic This is crystallized all around and without damage. The two main crystals look like faceted gemstones with such beautiful glassy burgundy luster. Collection Domenico Preite photo Matteo Chinellato, © Chinellato Matteo - Chinellatophoto.com. Why Would You Use Grossular Garnet? Mar 31, 2019 - Online Mineral Museum Photographic Archive No. Ex. A shockingly aesthetic specimen that can be a miniature or, with slight trim, a thumbnail to die for! Grossular garnet from the Belvidere Mine at Eden Mills is thought to be the finest specimen of its kind anywhere. (Added 1991, No. Grossular is member of the Garnet group, and is its most varicolored form, occurring in almost all colors except for blue. 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