Pietre preziose

Il Feb 08, 2024Di riyo de / 0 commenti

Titanite (Sphene) Gemstones Introduction Titanite, also known as sphene, is a rare and captivating gemstone known for its unique optical properties and vibrant colors. It belongs to the nesosilicate group and is composed of calcium, titanium, silicon, and oxygen, with the chemical formula CaTiSiO5 . The name "titanite" is derived from the Titans, Greek mythological figures, due to its strong and radiant crystal structures . Physical Properties · Color: Titanite can occur in various colors, including yellow, green, brown, black, and colorless. The color variations are often attributed to trace... Leggi di più

Pietre preziose di tinzenite

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Tinaksite Gemstones

Tinaksite Gemstone Introduction Tinaksite is a rare and captivating gemstone known for its unique properties and striking appearance. It is primarily composed of potassium, sodium, calcium, manganese, titanium, iron, and silicon, with the chemical formula K2Na(Ca,Mn2+)(Ti,Fe)Si7O19(OH). This gemstone is highly valued for its aesthetic appeal and metaphysical properties. Physical Properties · Color: Tinaksite can appear in shades of pink, pale yellow, light brown, and orange. · Transparency: Specimens are typically transparent to translucent. · Luster: Vitreous. · Crystal System: Triclinic. · Crystal Habit: Fibrous or slender prisms (prismatic). · Hardness:... Leggi di più

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Gemme Occhio di Tigre

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Gemme gialle occhio di tigre

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Gemme grezze di occhio di tigre

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Gemme grezze rosse di occhio di tigre