Where did the mineral grandidierite get its name?

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Graciela Green asked a question: Where did the mineral grandidierite get its name?
Asked By: Graciela Green
Date created: Mon, Feb 1, 2021 10:20 PM
Date updated: Tue, Jun 28, 2022 3:10 PM

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Top best answers to the question «Where did the mineral grandidierite get its name»

  • Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar..
  • Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar. Grandidierite: Grandidierite mineral information on Mindat.

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Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar. A large, faceted grandidierite, ...

Crystal System:Orthorhombic. Name: Named by A. Lacroix in 1902 in honor of Alfred Grandidier (20 December 1836, Paris, France - 13 September 1912, Paris, France), French explorer and naturalist. He visited Madagascar three times between 1865-1870, crossing the island three times.

An exotic gemstone with a rich history, grandidierite may not be a name that you’re familiar with, but you should be! Grandidierite stones were first discovered in 1902 in the southern part of Madagascar. The stone comprises of rare minerals and is named after Alfred Grandidier.

Grandidierite is named after Alfred Grandidier, French explorer of Madagascar, specialist of its geography and natural history. Grandidierite forms characteristic translucent bluish green or greenish blue elongated crystals. It has strong pleochroism: dark blue-green, colourless and dark green.

Named after French naturalist Alfred Grandidier (1836–1912), grandidierite is an extremely rare orthorhombic Mg-Fe aluminous borosilicate with the formula (Mg,Fe)Al 3 (BO 3 ) (SiO 4 )O 2 (Lacroix, 1902, 1922a,b). The material was first discovered at the cliffs of Andrahomana, on the southern coast of Madagascar.

Grandidierite Boralsilite. Comments: B&W PPL image of aggregates of boralsilite in quartz near grandidierite.Pyrite is partially replaced by oxide. Abbrev: A+B = Secondary andalusite, B = boralsilite, G = grandidierite, P = pyrite, Q = quartz. (AmMin v93:294). Location: Pegmatites from the Larsemann Hills, East Antarctica.Scale: See Image.

Given its rarity, fine grandidierite gems can demand significant prices. For example, gem dealer and Mineral Art manager Brice Gobin is quoted in the Gems & Jewellery article as saying that a buyer paid $50,000 in 2003 for the first known transparent faceted grandidierite, which weighed only 0.29 carats, a fact confirmed by GIA .

Grandidierite is a mineral containing "Silicic acid". It is classified as one type of "Silicate minerals". The color is "blue", "light blue", "blue green" and so on. Due to its high hardness it will be suitable for high class jewelry materials. High quality type is very beautiful with high transparency.

Grandidierite Improves Communication & Decision Making. Written By Liz Oakes. Grandidierite strongly resonates within the higher heart chakra. It is a fairly uncommon stone that may encourage you to live life from a heart based perspective.. T he vibration of these green stones is known to assist you with decision making.. Their energy may also help the growth of family unity and may aid work ...

A feldspar mineral, labradorite was given its name due to the location of its initial discovery in 1770 upon Paul's Island, just off the coast of Labrador, near the Moravian settlement of Nain, Canada.

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