PREMIUM SPESSARTINE Garnet Crystal Cluster RUBY RED Mineral A+ Specimen Gemstone

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This specimen weighs 14.45 carats, which is 2.89 grams. It measures 18 mm x 14 mm x 11 mm.This is a rare piece because it has a rare deep crimson ruby red color that I almost never see in this type of garnet.This is the highest quality piece I have seen in years!I offer a shipping discount for customers who combine their payments for multiple purchases into one payment!The discount is regular shipping price for the first item and just 50 cents for each additional item!To be sure you get your shipping discount just make sure all the items you want to purchase are in your cart.Auctions you win are added to your cart automatically.For any "buy it now" items or second chance offers, be sure to Once all of your items are in your cart just pay for them from your cart and the combined shipping discount should be applied automatically.I offer a money back guarantee on every item I sell.If you are not 100% happy with your purchase just send me a message to let me knowand I will buy back the item for your full purchase price.Hi there. I am selling this really AMAZING spessartine garnet crystal cluster fine mineral specimen.This piece is lustrous and perfect really.It is from Tongbei , Fujian Province , China. If you have any questions, do not hesitate to ask me.Have fun bidding, thanks so much for visiting my listing and have a great day:>) The following is a wikipedia entry about garnets:Garnet From Wikipedia, the free encyclopedia Jump to: navigation , search For other uses, see Garnet (disambiguation) . Garnet General Category Nesosilicate Formula(repeating unit) The general formula X 3 Y 2 (SiO 4 ) 3 Identification Color virtually all colors, blue very rare Crystal habit Rhombic dodecahedron or cubic Crystal system isometric/ Cubic rhombic dodecahedron, icositetrahedron Cleavage Indistinct Fracture conchoidal to uneven Mohs scale hardness 6.5-7.5 Luster vitreous to resinous Streak White Specific gravity 3.1-4.3 Polish luster vitreous to subadamantine [ 1 ] Optical properties Single refractive, often anomalous double refractive [ 1 ] Refractive index 1.72-1.94 Birefringence None Pleochroism None Ultraviolet fluorescence variable Other characteristics variable magnetic attraction Major varieties Pyrope Mg 3 Al 2 Si 3 O 12 Almandine Fe 3 Al 2 Si 3 O 12 Spessartine Mn 3 Al 2 Si 3 O 12 Andradite Ca 3 Fe 2 Si 3 O 12 Grossular Ca 3 Al 2 Si 3 O 12 Uvarovite Ca 3 Cr 2 Si 3 O 12Garnets / ˈ ɡ ɑr n ə t / are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives . [ note 1 ]All species of garnets possess similar physical properties and crystal forms, but differ in chemical composition. The different species are pyrope , almandine , spessartine , grossular (varieties of which are hessonite or cinnamon-stone and tsavorite ), uvarovite and andradite . The garnets make up two solid solution series: pyrope-almandine-spessarite and uvarovite-grossular-andradite.Physical properties PropertiesGarnet species are found in many colors including red, orange, yellow, green, purple, brown, blue, black, pink and colorless. The rarest of these is the blue garnet, discovered in the late 1990s in Bekily, Madagascar . It is also found in parts of the United States , Russia , Kenya , Tanzania , and Turkey . It changes color from blue-green in the daylight to purple in incandescent light, as a result of the relatively high amounts of vanadium (about 1 wt.% V 2 O 3 ). Other varieties of color-changing garnets exist. In daylight, their color ranges from shades of green, beige, brown, gray, and blue, but in incandescent light, they appear a reddish or purplish/pink color. Because of their color-changing quality, this kind of garnet is often mistaken for Alexandrite .A sample showing the deep red color garnet can exhibit.Garnet species' light transmission properties can range from the gemstone-quality transparent specimens to the opaque varieties used for industria... read more

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