{"product_id":"25mm-spessartine-garnet-round-mandarin-34275","title":"2.5mm Spessartine Garnet Round | Mandarin Orange | Loose Natural Gemstones","description":"\u003cp\u003eCalibrated 2.5mm round spessartine garnets from Mananga, Tanzania — cut to an exceptional standard uncommon at this size. Spessartine is the manganese-aluminum end member of the garnet group, and its color is produced directly by Mn²⁺ within the crystal lattice. The result is a saturated orange that ranges from bright tangerine to deep mandarin depending on iron content, with pure, low-iron material producing the most vivid, luminous tones. Mananga material sits at the higher end of the spessartine color quality spectrum, with the clean, strongly saturated orange that defines fine East African spessartine.\u003c\/p\u003e\n\u003cp\u003eThe cut quality on these stones warrants specific attention. At 2.5mm, cutting precision has an outsized impact on optical performance — poorly cut melee loses light through the pavilion and appears lifeless face-up regardless of rough quality. These stones have been cut to a standard that maximizes brilliance at this size, with consistent culet placement, even facet meet points, and calibration tight enough for channel, pavé, and bezel applications without individual stone adjustment. \u003c\/p\u003e\n\u003cp\u003eSpessartine garnet accepts no treatments — no heat enhancement, fracture filling, or surface coating is applied or practiced for this species. Color, clarity, and cut are entirely as-sourced.\u003c\/p\u003e\n\u003cp\u003eOrigin: Mananga, Tanzania\u003cbr\u003e\nSpecies: Garnet\u003cbr\u003e\nVariety: Spessartine\u003cbr\u003e\nCut: Round (faceted), calibrated — exceptional cut quality\u003cbr\u003e\nSize: 2.5mm\u003cbr\u003e\nColor: Orange to mandarin orange (Mn²⁺) Treatment: None Hardness: 7–7.5 Mohs\u003cbr\u003e\nRefractive Index: 1.79–1.81\u003c\/p\u003e\n\u003cp\u003eMaterials: Spessartine Garnet.\u003c\/p\u003e","brand":"Gem Enthusiast","offers":[{"title":"1 Stone","offer_id":47564664438971,"sku":"2.5GS-1","price":21.0,"currency_code":"USD","in_stock":true},{"title":"2 Stones","offer_id":47564664471739,"sku":"2.5GS-2","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/8214\/1627\/files\/il_fullxfull.7265752757_hkz2.jpg?v=1774631769","url":"https:\/\/gementhusiast.shop\/products\/25mm-spessartine-garnet-round-mandarin-34275","provider":"Gem Enthusiast","version":"1.0","type":"link"}