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Natural Grandidierite Crystal Specimen

$720.00 $510.00

GRANDIDEIRITE SPECIMEN 💎

Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar.

Mohs scale hardness: 7.5

Optical properties: Biaxial (-)

Category: Nesosilicate

Formula: (Mg,Fe2+)Al3(BO3)(SiO4)O2

Crystal system: Orthorhombic

Color: Bluish green

Dispersion: strong

Refractive Index: 1.590 to 1.623

Grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka and few gem quality specimens have come mainly from Madagascar.

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Description

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Natural Grandidierite Crystal Specimen

Weight : 45.04 Cts

Length: 39mm

Height: 28mm

Width : 13.09mm

Mineral: Madagascar

Treatment: None (Natural)

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.

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.

Extremely Rare Gemstone - Natural Grandidierite

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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