Buy Sphalerite Fine Rings and get the best deals at the lowest prices on eBay! The best Sphalerite in the world all comes from the Aliva Sphalerite mine in Cantabria, Spain.

With a dispersion over three times that of diamond and an adamantine luster, faceted specimens make beautiful additions to gem collections. Price: 185.00: Origin: Santander Spain: Weight: 193 grams! The following gemstones represent some of our finest available faceted Sphalerites from Spain and Bulgaria, and all of them feature top luster / polish and beautiful concave faceting, which brings out more of the life of the gems as the light has more directions to move inside the stone. The rare gem-quality crystals have a very low iron content and considerable transparency. The largest selection of gemstone articles online...See an extensive selection of articles about birthstonesFascinating details of ancient gemstones facts and storiesLearn about the healing effects of different gemstonesFrom buying tips to price details, all you need to know...Find helpful articles on how things are done in gemstone...Useful charts and list as reference and lookup recourseLearn about technical details and facts surrounding the...Save Money - No shipping Fees for Additional Items! No Treatment .

Deer, R. A. Howie, and J. Zussman, 1962, Since sphalerite ranks as the primary ore for zinc mining, Polishing scratches on the bottoms of sphalerite cabochons may cause From the large, reddish material from Spain, faceters could easily cut gems of hundreds of carats, as well as Clean sphalerites only with a soft brush, mild detergent, and warm water. One of my favorite aspects of gem grade Sphalerite is the amazingly high dispersion of 0.156 which is over three times that of Diamond! However, they’re too soft for most jewelry uses.The International Gem Society (IGS) has a list of businesses offering

The IGS Gem Price Guide covers commonly traded colored gemstones as well as more unusual, collectible gems. Faceted sphalerite - Currently AVAILABLE; up to 10 carats; 10 to 20 carats; 20 to 30 carats; 30 to 50 carats; 50 to 100 carats; more than 100 carats; carved sphalerite; Rough sphalerite. Add to Compare. The stone has a "Concave Round" cut that displays outstanding brilliance.

The rare gem-quality crystals have a very low iron content and considerable transparency. This mine closed down in 1989 and all of the material that you can find on the market today originated from this mine.

Size: 7.3 x 7.1 x 4.2 centimeters: Clarity: Specimen grade with several facet clean areas: Cut: Natural crystal formation: Color: Yellow: Treatment: None guaranteed 100% natural! It is well known for …

Alternative name, occurrence category: Common. Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by ShapeShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Sponsored ListingsShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Make an Offer{"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}13ct Sphalerite Earth Mined Untreated Unheated Spain As-Is or Facet USA SellerGREAT 6ct VS Sphalerite Earth Mined Untreated Lava Red Orange Spain USA SellerSpain Orange Sphalerite Gems 9.20 Ct 100% Natural Emerald Cut Certified L93047.20 Ct Spain Orange Sphalerite Gemstone 100% Natural Trillion Certified L9425Spain Orange Sphalerite 100% Natural Gems 11.95 Ct Emerald Cut Certified L9320Spain Orange Sphalerite Natural Pear Gemstone 7.15 Ct Untreated Certified L9435Spain Orange Sphalerite 9.10 Ct Pear Gemstone 100% Natural IGL Certified C5001Rare Natural Untreated Fiery Reddish Orange Sphalerite (Spain) 11.70ct 13.4mmSuper nice rare Sphalerite gemstone 4.14 cts, ROUND....one source Gemstone3.15 cts Rare Natural Oval-cut Orange VVS Sphalerite (Spain) 13.50 cts HKD-Certified Natural Oval-cut Yellowish-Orange VS Sphalerite (Spain) 3.10CT STUNNING UNTREATED NATURAL SINGLE SOURCE GREEN GOLDEN SPANISH SPHALERITE2.74 cts Rare Natural Oval-cut MultiColor/GreenishOrange VS1 Sphalerite (Spain) 8.30CT STUNNING UNTREATED NATURAL SINGLE SOURCE BROWN GOLDEN SPANISH SPHALERITE2.78CT STUNNING UNTREATED NATURAL SINGLE SOURCE GREEN GOLDEN SPANISH SPHALERITE4.25 cts Rare Natural Oval-cut Red/MultiColor Flashing VVS Sphalerite (Spain) 3.37 ct 100 % Natural Sphalerite Gemstone_Rayong Collection_HOT SALE !

They are typically a yellowish to honey brown, red to orange, or green.In fact its dispersion rating is three times as high as that for diamond But sphalerite is a relatively soft gem, with a hardness of only 3.5 to 4 on the Because this is a collectors gemstone and is so soft, it is best to wear this stone delicately and in a protective setting.

International Gem Society LLC.

Ultra rare Spanish Sphalerite. See our Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the…Adamantine.

Sphalerite is one of the very few minerals to have a total of six directions of cleavage, making faceting treacherous, and only skilled gem cutters have the ability to cut the material properly. Spectacular faceted Spanish sphalerites can be found in … This gorgeous Sphalerite has a combination of fiery orange and yellow color with streaks of deep red. Join our weekly newsletter & get a free copy of the Gem ID Checklist!© - 3.35 Carats 100 % Natural Sphalerite Gemstone *Collective Gem ~ CLR Sale* 5 out of 5 stars (15) 15 reviews $ 125.00 FREE shipping Metal: Sterling Silver. Spectacular faceted Spanish sphalerites can be found in museums and private gem collections worldwide.

Aliva mine produced the world best and largest transparent toffee-colored sphalerites, well known worldwide by collectors of rare gems and minerals.

In Europe, sphalerite is sometimes called blende, after the German word Refractive index (N) and specific gravity plotted against chemical composition in sphalerite, in which Fe substitutes for Zn, in the formula (Zn,Fe)S. Adapted from W. A. Certified Gemstones .

Sphalerite occurs in many colors, including green, yellow, orange, brown, and fiery red.