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Ceylon Natural Quartz Crystal Cluster danugroup.lk
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Ceylon Natural Quartz Crystal Cluster
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1_Natural Quartz Cluster - Danu Group Gemstones_compress69
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Ceylon Natural Quartz Cluster
Original price was: $125.00.Current price is: $99.00.
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CEYLON NATURAL COMPLETE SAPPHIRE CRYSTAL DANU GROUP GEMTONES
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Ceylon Natural Sapphire Crystal
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Ceylon Natural Sapphire Crystal danu group Gemstones
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Ceylon Natural Sapphire Crystal
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5_Ceylon Natural Quartz Crystal with step marks - Danu Group Gemstones
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Ceylon Natural Quartz Crystal with Amazing Structure
Original price was: $700.00.Current price is: $559.00.
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6_ceylon Natural Sapphire Trigonal crystal from Danu Group Mining
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Ceylon Natural Sapphire Crystal
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11_ceylon Natural Sapphire Crystal - Danu Group Gemstones
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Ceylon Natural Sapphire Crystal
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Ceylon Natural Sapphire Rough Crystal
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Ceylon Natural White Sapphire Crystal
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NATURAL LIGHT PINK SPINEL OCTAHEDRON CRYSTAL SRI LANKA
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Natural Light Pink Spinel Octahedron Crystal Sri Lanka
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Natural Purplish-Pink Spinel Sri Lanka
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Natural Purplish-Pink Spinel Crystal Sri Lanka
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Pargasite and Pink Spinel Crystals on Calcite Marble 韭角閃石 、粉紅尖晶石、方解石大理石上共生 Spinel is the magnesium aluminium member of the larger spinel group of minerals with chemical formula MgAl₂O₄ This oxide mineral is Cubic crystal system with 7.5–8.0 hardness according to Mohs hardness scale. Spinels Specific Gravity is depending on the composition of chemicals such as Zn-rich spinel can be as high as 4.40, otherwise it averages from 3.58 to 3.61. Spinel has many colours such as red, pink, blue, lavender/violet, dark green, brown, black, colourless, gray. Some red and pink spinels have fluorescence under UV Light. also, Some spinels have magnetism Weak to medium. Spinels are found in Madagascar, Sri Lanka, Vietnam, Myanmar, Tanzania, Kenya, Nigeria. Pargasite is a complex inosilicate mineral of the amphibole group with formula NaCa₂O₂₂(OH)₂. This inosilicates mineral has 5 - 6 hardness according to the Mohs Hardness scale with 3.04–3.17 Specific Gravity. This bi axial mineral has colours such as Bluish green, grayish black, light brown, Green. It was first described for an occurrence in Pargas, Finland in 1814 and named for the locality. Pargasites are found in Pinland, Vietnam, Madagascar, Tanzania, India, Pakistan, Afghanistan, Mozambique, Hungary, Japan, Bulgaria, Cameroon. Descriptions Weight : 58.90 Cts Locality : Vietnam 🇻🇳
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Pargasite and Pink Spinel Crystals on Calcite Marble
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Extremely Rare Gemstone - Natural Grandidierite Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar. Grandidierite is nesosilicates mineral with the chemical formula (Mg, Fe2+)(Al, Fe3+)3(SiO4)(BO3)O2.                                                                  It is found colors such as Bluish-green, greenish-blue with 7½ hardness according to the more hardness scale. Grandidierite can be seen Vitreous, Pearly luster stones with 2.98 - 2.99 Specific Gravity. This gemstone was named in honor of French explorer Alfred Grandidier who studied the natural history of Madagascar. He is a French explorer and Naturalist. Grandidierite has very strong dispersion and Visible Pleochroism, It is a Nesosilicates orthorhombic Mineral with Biaxial (-) Optical Properties. Inside of grandidierite mostly can be seen very perfect cleavages. As an optical properties, it has a 1.583 - 1.639 refractive index. Grandidierite can be found in India, Germany, Denmark, Malawi, Namibia, India, Norway, and Sri Lanka. Grandidierite's main source is Madagascar. Healing Properties of Grandidierite Grandidierite is a blue gemstone that promotes spiritual awakening, peace, and tranquility and can encourage you to communicate in a calm and clear manner.
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Natural Grandidierite Crystal Specimen
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