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Titanite (Sphene) Gemstones
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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... Lire la suite
Pierres précieuses de tinzénite
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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:... Lire la suite
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Pierres précieuses en œil de tigre
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Pierres précieuses jaunes en œil de tigre
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Pierres précieuses brutes en œil de tigre
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Pierres précieuses brutes rouges en œil de tigre
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