沒有保留價 - 1 pcs 黃色, 棕色 榍石 - 6.73 ct - 國際寶石學院(International Gemological Institute (IGI))





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天然蛇靈石(Titanite)寶石,1 件,6.73 克拉,棕黃色,墊形混合切工,VVS+ 凈度,Excellent 輪廓,未加熱,產地坦桑尼亞,IGI 報告號碼 774606709。
賣家描述
Gemstone Video Link : https://liveplatforms-production.b-cdn.net/tenants/gr/uploads/movies/3120000-3124999/3123574/d8fdfccb-476b-4fa9-8ab8-0531234e0abe.mp4
Type ####: 100% Natural Sphene (Titanite)
Weight : 6.73 Carats
Size : 11.57 x 10.78 x 6.28 mm
Shape : Cushion Mixed Cut
Quantity : 1 pcs
Color : Brownish Yellow
Clarity : VVS+
Luster : Excellent
Hardness : 5 - 5.5
Origin : Tanzania
Treatment : UNHEATED (100% Natural No Treatment)
Product No : NG06709
Sphene, also scientifically known as Titanite
-------------------------------------------------------------
Mineral Information:
# Chemical Composition: Calcium Titanium Silicate (CaTiSiO₅)
# Crystal System: Monoclinic
# Optic Character: Biaxial (+)
# Refractive Index: Very High (approx. 1.84 – 2.11)
# Dispersion: Extremely high (higher than diamond)
Exceptional Fire
-------------------------------------------------------------
Sphene (Titanite) is famous for its very strong dispersion, producing intense rainbow flashes — often stronger than diamond. This is one of its most desirable qualities.
This gemstone is a Natural Sphene (Titanite), displaying a brownish yellow color with excellent transparency. Sphene is highly valued for its exceptional dispersion, producing vivid rainbow fire that often exceeds that of diamond. The stone exhibits natural internal characteristics consistent with its geological formation. With its high refractive index and strong brilliance, this Titanite is an attractive and collectible gemstone suitable for fine jewelry or collectors.
Gemstone Video Link : https://liveplatforms-production.b-cdn.net/tenants/gr/uploads/movies/3120000-3124999/3123574/d8fdfccb-476b-4fa9-8ab8-0531234e0abe.mp4
Type ####: 100% Natural Sphene (Titanite)
Weight : 6.73 Carats
Size : 11.57 x 10.78 x 6.28 mm
Shape : Cushion Mixed Cut
Quantity : 1 pcs
Color : Brownish Yellow
Clarity : VVS+
Luster : Excellent
Hardness : 5 - 5.5
Origin : Tanzania
Treatment : UNHEATED (100% Natural No Treatment)
Product No : NG06709
Sphene, also scientifically known as Titanite
-------------------------------------------------------------
Mineral Information:
# Chemical Composition: Calcium Titanium Silicate (CaTiSiO₅)
# Crystal System: Monoclinic
# Optic Character: Biaxial (+)
# Refractive Index: Very High (approx. 1.84 – 2.11)
# Dispersion: Extremely high (higher than diamond)
Exceptional Fire
-------------------------------------------------------------
Sphene (Titanite) is famous for its very strong dispersion, producing intense rainbow flashes — often stronger than diamond. This is one of its most desirable qualities.
This gemstone is a Natural Sphene (Titanite), displaying a brownish yellow color with excellent transparency. Sphene is highly valued for its exceptional dispersion, producing vivid rainbow fire that often exceeds that of diamond. The stone exhibits natural internal characteristics consistent with its geological formation. With its high refractive index and strong brilliance, this Titanite is an attractive and collectible gemstone suitable for fine jewelry or collectors.
詳細資料
免責聲明
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Catawiki始終致力於為您提供最佳的購買體驗。我們的專家會依據提交指南,對每件物品進行虛擬審查和挑選。雖然我們努力提供每件珠寶的詳細描述和照片,但可能會出現不一致或不準確的情況。 在進行購買前,您有責任檢查所提供的有關物品的一切資訊,包括狀況和描述。賣家應對所提供的資訊、圖片和描述負責,包括所售珠寶的品質、數量和性質。若物品存在的小瑕疵在照片中看不到,但已於描述中予以說明,那麼這並非不合規之情形。 實驗室報告不是對報告中所述物品的保證、評估或鑑定。實驗室報告僅提供所述物品的特質,這是在特定實驗室進行檢驗之時所使用的技術和設備來評級、測試、檢查和分析而得到的結果。對物品進行的任何其他檢驗之結果可能會有所不同,具體取決於檢驗物品的時間、方式、人員和評級標準。 此外,技術和設備可能發生的任何變化和改進,使得檢驗者能夠有新的發現,其中包括物品進行過此前未能檢測到的處理以改變其特質,而這並不就表示物品不符合其描述。

