Where did alfred grandidier get the name grandidierite?

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Ulices Hayes asked a question: Where did alfred grandidier get the name grandidierite?
Asked By: Ulices Hayes
Date created: Sat, May 8, 2021 10:56 PM
Date updated: Fri, Dec 31, 2021 1:51 PM

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Top best answers to the question «Where did alfred grandidier get the name grandidierite»

  • Grandidierite (Grand-die-deer-ite) was named after French explorer and naturalist Alfred Grandidier (1836–1912) who studied the natural history of Madagascar. An extremely rare magnesium iron aluminous borosilicate, Grandidierite was first discovered at the cliffs of Andrahomana on the southern coast of Madagascar.

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Those who are looking for an answer to the question «Where did alfred grandidier get the name grandidierite?» often ask the following questions:

✨ Why was the grandidierite named after alfred grandidier?

  • The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar. Grandidierite is considered one of the rarest and most expensive gemstones in existence. It can fetch prices up to $20,000 per carat. Grandidierite: Grandidierite mineral information on Mindat.

✨ Why was the mineral grandidierite named after alfred grandidier?

  • Lacroix named the mineral in honor of French explorer and naturalist Alfred Grandidier (1836–1912), the first authority on the natural history of Madagascar. Since its initial discovery, samples of grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka.

✨ Where did alfred lacroix find the grandidierite stone?

  • Many rare gem collectors would love to add grandidierite to their collections, but it has been almost impossible to find. The recent discovery of some gem quality material in Madagascar has now made a few high quality stones available. Grandidierite was first discovered in 1902 in Madagascar by Alfred Lacroix, a French mineralogist.

9 other answers

10 Facts About Grandidierite. 1 French mineralogist Alfred Lacroix found the first reported samples of grandidierite in 1902. He discovered the gemstone at the cliffs of Andrahomana in southern Madagascar. 2 Grandidierite was named after French explorer and naturalist Alfred Grandidier (1836-1912). 3 Grandidierite is extremely rare.

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, a 429.87 carat stone owned by a Filipino collector Benedicto G. Membrere V. GIL Report ...

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. Grandidier was a French explorer well known for his work and studies of the natural history of Madagascar, so it’s a fitting tribute.

French mineralogist Alfred Lacroix found the first reported samples of grandidierite in 1902. He discovered the gemstone at the cliffs of Andrahomana in southern Madagascar, according to the GIA. 2. It was named for someone. As is the case with a few other minerals ending in “ite,” grandidierite was named after a person.

Alfred Grandidier (20 December 1836 – 13 September 1921) was a French naturalist and explorer.. From a very wealthy family, at the age of 20, he and his brother, Ernest Grandidier (1833–1912), undertook a voyage around the world. At first they were led by the astronomer and physicist Pierre Jules César Janssen (1824–1907), but when Janssen fell sick and had to return to France after ...

As with many of the –ite gemstones, Grandidierite was named in honor of someone. In this case it was Alfred Grandidier, the French explorer and scientist, who wrote 38 volumes on the flora, fauna and geology of Madagascar where these gemstones were first discovered.

The meaning of the name of this stone relates to it being called after the French explorer and naturalist Alfred Grandidier. Grandidier was well known for his exploits exploring Madagascar. While the best specimens of this stone come from Madagascar, lower quality pieces of this mineral have also been found in Malawi, Namibia and Sri Lanka.

Specimens of grandidierite are rare even in mineral collections and museums. The name, grandidierite was bestowed to the mineral in honor of Alfred Grandidier, a French explorer and geographer who thrice traversed the island of Madagascar; the place where grandidierite was first discovered in 1902 by French mineralogist, Alfred Lacroix.

Grandidierite is one of the rarest gems in the world. This blue-green silicate can recall Tourmaline paraiba and is just as fascinating.

Your Answer

We've handpicked 21 related questions for you, similar to «Where did alfred grandidier get the name grandidierite?» so you can surely find the answer!

Where can i find grandidierite in madagascar?
  • For many years, Cap Andrahomana in southern Madagascar, the type locality, was the only well-known source of gem-quality material. A new find in Tranomaro, also near Cap Andrahomana, has produced transparent, gem-quality grandidierites. Faceted natural grandidierite, Tranomaro, Madagascar.
Who was alfred chavez jewelry?

Jared J Chavez Jeweler/Photographer/ Printmaker/Videographer. When I was ten years old I wandered into my father's studio one summer day and complained of having nothing to do. My father told me he would teach me how to make jewelry, but only if I put all of my effort into the process.

Are grandidierite rare?

Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar.

Is grandidierite cloudy?

Grandidierite Information

Orthorhombic. Crystals elongated and not well formed; massive. Gem material is translucent to transparent. Generally opaque.

Is grandidierite expensive?

Grandidierite ((Mg,Fe 2+)Al 3(BO 3)(SiO 4)O 2) is a very rare gem that can fetch up to $20,000 per carat and was first discovered in Madagascar in 1902.

Is grandidierite valuable?

Grandidierite ((Mg,Fe 2+)Al 3(BO 3)(SiO 4)O 2) is a very rare gem that can fetch up to $20,000 per carat and was first discovered in Madagascar in 1902.

Where are grandidierite gemstones found on the earth?
  • In terms of gemology, grandidierite comprises of a compound of magnesium aluminium borosilicate, which makes its hardness comparable to that of a garnet. It’s thought that grandidierite gemstones are formed and found in pegmatite rocks. These rocks are formed by molten rock or magma bubbling up from below the Earth’s crust to the surface.
Where are grandidierite mined in the oman ocean?

Basically at the time of writing the only gemstone quality Grandidierite is mined in Madagascar although some have been found recently in Sri Lanka which are transparent but so far only very small carat sizes have been produced.

Where are grandidierite mined in the oman sea?

Basically at the time of writing the only gemstone quality Grandidierite is mined in Madagascar although some have been found recently in Sri Lanka which are …

Where are grandidierite mined in the oman today?

Since then, Grandidierite has been mined in a few other places in southern Madagascar, but these have also since depleted. A new deposit of Grandidierite was discovered in May 2014 about 15km from the village of Tranomaro. The area is in the Amboasary district of southern Madagascar’s Anosy region, 60km northwest of Cape Andrahomana.

Where are the grandidierite mines in southern madagascar?
  • Since then, Grandidierite has been mined in a few other places in southern Madagascar, but these have also since depleted. A new deposit of Grandidierite was discovered in May 2014 about 15km from the village of Tranomaro. The area is in the Amboasary district of southern Madagascar’s Anosy region, 60km northwest of Cape Andrahomana.
Where are the grandidierite sea foam gemstone found?
  • They are extremely scarce in any form but transparent specimens even with visible inclusions or flaws are almost impossible to find and reach incredible prices. Grandidierite were first discovered on the fascinating island of Madagascar off the coast of southern Africa.
Where can i find a sample of grandidierite?
  • Since its initial discovery, samples of grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka.
Where can you find a grandidierite in madagascar?
  • Perhaps there has been a big mine opening with these, in Madagascar most likely, but it is still sold and reported as one of the rarest gems in the world, in direct contradiction with hundreds on display. What to make of this? Anybody here who owns a gem quality grandidierite? How much did you pay, and when?
Where can you find grandidierite in the world?
  • Yet gem-quality grandidierite is extremely rare. Facetable gem material larger than a millimeter has only been found in Madagascar and Sri Lanka; the latter is the source of a clean faceted specimen weighing 0.29 ct (Schmetzer et al., 2003).
Where can you find transparent grandidierite in madagascar?
  • In 2014 miners in southern Madagascar struck a vein of Grandidierite which yielded 800kgs of rough material. From this they were able to glean 60g of transparent gemstones! Once you have a transparent piece of Grandidierite rough this is only the beginning of the challenge as cutting and faceting this gemstone is difficult.
Where did the discovery of grandidierite come from?
  • Since its discovery in 1902, most gem-quality grandidierite has been translucent. Cabochons cut from this material look very attractive and may even appear jade-like. Recent discoveries of transparent material in Sri Lanka (around 2000) and a new deposit in Madagascar (2014) have resulted in beautiful, faceted gemstones.
Where did the discovery of grandidierite take place?
  • Grandidierite is a very rare mineral that was first discovered in southern Madagascar in the early 20th century. Since grandidierite is quite hard, high quality material has been cut as gemstones, making it one of the very rarest gems, in a class with varieties like benitoite, painite, taaffeite and jeremejevite.
Where do you find a grandidierite in madagascar?
  • Grandidierite. Grandidierite are seafoam and deep ocean blue gemstones from a now depleted deposit discovered in 2014 near the town of Tranomaro in southern Madagascar. Relatively unknown, Grandidierite is extremely scare, often appearing on lists of the worlds’ 10 rarest gemstones.
Where do you find grandidierite crystals in madagascar?
  • Grandidierites in a cluster of crystals, from Cap Andrahomana, Ranopiso Department, Anosy (Fort Dauphin) Region, Tuloar Province, Madagascar. © Rob Lavinsky, www.iRocks.com. Used with permission. Does Grandidierite Make a Good Jewelry Stone?
Where does the color of grandidierite come from?
  • It was first discovered in Madagascar in 1902 and then in small quantities in other areas of the world, but most grandidierite specimens come from Madagascar. The greenish-blue color of grandidierite is caused by the presence of iron. Grandidierite gemstones are usually faceted and sought after by collectors.