{"title":"Sphene","description":"\u003cp\u003eSphene, the birthstone for July, boasts an extremely high refractive index and dispersion, and Gemtreejapan considers it a mineral that can be beautifully cut, a \"specialty\" of theirs.\u003cbr\u003e\u003cbr\u003eGreen sphene from Pakistan and chrome sphene from Russia, among others, are very beautiful and highly popular. Although sphene is found in several localities in Japan, it is generally considered a mineral specimen.\u003cbr\u003e\u003cbr\u003eSphene possesses a beauty that surpasses even that of diamonds, and due to its strong doubling effect, it gives the impression of even greater brilliance. However, its hardness is only half that of diamond, so while it makes eye-catching jewelry, care must be taken when handling it.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eName: Sphene \/ Titanite\u003cbr\u003eJapanese Name: Titanite\u003cbr\u003eChemical Composition: CaTiSiO₅\u003cbr\u003eCrystal System: Monoclinic\u003cbr\u003eSpecific Gravity: Approximately 3.52 – 3.54\u003cbr\u003eMohs Hardness: 5 – 5.5\u003cbr\u003eCleavage: Distinct\u003cbr\u003eLuster: Adamantine to Vitreous\u003cbr\u003eTransparency: Transparent to Translucent\u003cbr\u003eRefractive Index: 1.88 – 2.05\u003cbr\u003eBirefringence: 0.105 – 0.135\u003cbr\u003eColor: Yellow, Green, Brown\u003cbr\u003eDispersion: 0.051\u003c\/p\u003e","products":[{"product_id":"sphene22971ct","title":"Sphene 22.971ct \/ Madagascar","description":"\u003cp\u003eIf you are interested in purchasing this piece or have any questions, please feel free to contact us via our \u003ca href=\"https:\/\/lin.ee\/87ZCmrY\"\u003eofficial LINE account\u003c\/a\u003e or our \u003ca href=\"https:\/\/irmo.jp\/pages\/contact\"\u003einquiry form\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSphene 22.971ct \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e16.77× 18.20 × 10.45mm\u003c\/p\u003e\n\u003cp\u003eCushion, table-bearing cube \u003c\/p\u003e\n\u003cp\u003eCut by Piachan\u003c\/p\u003e\n\u003cp\u003eComes with sorting (simple identification)\u003c\/p\u003e\n\u003cp\u003eEGL120183-4\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis piece is a magnificent sphene from Madagascar, weighing over 22ct, with an overwhelming presence and beauty that would not be out of place in a museum.\u003c\/p\u003e\n\u003cp\u003eDespite its large size, it boasts superb clarity, with only about three lines of aggregated particles that are invisible in natural light. It exhibits tremendous fire even without special lighting.\u003c\/p\u003e\n\u003cp\u003eThis is a Table Cube Cut, a GTJ original cut created for the first time by GTJ's main cutter, Piachan, where a box shape emerges around the table.\u003c\/p\u003e\n\u003cp\u003eIt's surprising that his first work is such a masterpiece, but the veteran founder of GTJ, who retired last year, entrusted Piachan with this challenge, believing that a truly great cut could only be achieved by working with an exceptional gemstone. The result is a magnificent piece.\u003c\/p\u003e\n\u003cp\u003ePlease enjoy this museum-worthy piece at your leisure.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cp\u003eThe beautiful appearance of the sphene at night was introduced in this Instagram Live, so please take a look.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.instagram.com\/reel\/Cxs3R0pSFGY\/?igshid=NzZhOTFlYzFmZQ==\"\u003e\u003cb\u003ehttps:\/\/www.instagram.com\/reel\/Cxs3R0pSFGY\/?igshid=NzZhOTFlYzFmZQ==\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe scene introduced in the live stream is here ↓\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/yhaKYtesAMk?start=1702\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"GemTreeJapan","offers":[{"title":"Default Title","offer_id":48289758576833,"sku":null,"price":3960000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/1120\/9665\/files\/10D75EB2-934E-4A6D-A6F4-82CF23DE93C4_47d298af-9210-4556-819e-531fb6d71483.jpg?v=1716886977"},{"product_id":"sphene-0-57ct-madagascar","title":"Sphene 0.57ct \/ Madagascar","description":"\u003cp\u003eSphene 0.57ct\u003c\/p\u003e\n\u003cp\u003e7.3×3.6×2.1mm\u003c\/p\u003e\n\u003cp\u003eProduct of Madagascar\u003c\/p\u003e\n\u003cp\u003eCube Octagon\u003c\/p\u003e\n\u003cp\u003ePiachan's Work\u003c\/p\u003e\n\u003cp\u003e￥45,000-\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eThis is a sphene from Madagascar, featuring a bright greenish-yellow hue. It has been cut into a step-cut octagon shape and finished with GTJ's original cube cut, which creates a three-dimensional form around the table.\u003c\/p\u003e\n\u003cp\u003eIn addition to the linear golden sparkle from the step cut, it also exhibits beautiful iridescent fire.\u003c\/p\u003e\n\u003cp\u003eUnder magnification, you can see interesting fine growth lines, similar to fish bones.\u003c\/p\u003e\n\u003cp\u003eThere is a single, small white inclusion near one edge, but it is invisible to the naked eye, making this a beautiful crystal with excellent clarity.\u003c\/p\u003e\n\u003cp\u003eSimple yet subtly original, this sphene is a beautiful stone that you will surely enjoy having in your collection.\u003c\/p\u003e","brand":"GemTreeJapan","offers":[{"title":"Default Title","offer_id":49393569792193,"sku":null,"price":45000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/1120\/9665\/files\/IMG_5985_5c93b763-d186-437e-b532-70f278ee0354.png?v=1751954107"}],"url":"https:\/\/irmo.jp\/en\/collections\/sphene.oembed","provider":"IRMO.JP","version":"1.0","type":"link"}