In addition to being a gemstone, Grandidierite is one of the rarest minerals on the planet, with a rich history; even if you're not familiar with the term, you should be!
These crystals are rare and stunning blue-green color gems that deserve to be admired. Since so few gem-quality stones are available on the open market, It's no wonder these stones sell as soon as they appear. Despite being widespread, the supply is quite small and quickly runs out. It is considered to be the world's third most expensive gemstone.
What is a grandidierite gemstone?
Grandidierite stone is a rare mineral originally found in southern Madagascar in 1902. This mineral was named in honor of the French explorer Alfred Grandidier, who researched and investigated grandidierite natural history. Generally, it appears blue because it contains more iron.
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What are the Properties of grandidierite Gemstones?
The grandidierite properties are as follows,
The blue-green of Grandidierite varies in intensity and color. Grandidierite, which contains more iron, is greener in color. It is translucent and has a glassy, pearly luster. It frequently resembles paraiba tourmaline, kornerupine, and blue apatite. It is an orthorhombic-dipyramidal borosilicate mineral composed of silicon, aluminum, boron, iron, and magnesium.
The only source currently producing gemstones of the finest quality is South Madagascar. Due to their rarity, grandidierite gemstones are valued gems for jewelry. Those stones are not gem-quality if they are being cut into cabochons and used as touchstones, in meditation, or for crystal healing and chakra balancing.
What is the use of Grandidierite?
Grandidierite's hardness of 7.5 makes it extremely scratch-resistant and suitable for usage in jewelry. It is difficult to cut because it has perfect cleavage in both directions. Of course, this gemstone's rarity has also contributed to its lack of widespread popularity.
Most Grandidierite of gem quality has been translucent since its discovery in 1902. This material can produce very beautiful, almost jade-like, cabochons. These beautiful, faceted gemstones have been produced due to recent discoveries of transparent material in Sri Lanka (about 2000)
Grandidierite is extremely uncommon. Hence there are still many things to learn about its metaphysical properties.
Some researchers have researched the relationship between the color's blue-green hue and the possible effects on the two chakras. The neck chakra, which is pale blue, and the green heart chakra, may be affected by Grandidierite. Grandidierite gemstones with a stronger blue tone may affect the throat chakra, improving communication. A strong green tint makes the heart more open to receiving and giving love.
What color is a grandidierite gemstone?
Grandidierite stones appear in blue because they contain more iron.
Lazulites can sometimes have blue-green hues and exhibit colorless or blue or dark blue pleochroism, While trichroism can usually help differentiate Grandidierite from other gems.
Grandidierite crystals display strong trichroic pleochroism. Depending on the viewing angle, they can display three colors: dark blue-green, colorless (sometimes extremely pale yellow), or dark green.
Frequently Asked Questions
Q: How much is grandidierite worth?
A: Grandidierite is incredibly uncommon. The cost may be rather high as a result. Like every jewel, various characteristics, including color, cut, and clarity will affect the final cost.
Grandidierite is typically cut into cabochons with sizes ranging from one carat to ten, and they can fetch high prices. According to Forbes, the most expensive grandidierite stones can sell for up to US $20,000 per carat.
Q: How rare is Grandidierite?
A: Yes, it is absolutely rare. Before the summer of 2015, gem-quality Grandidierite of "face table size" was "almost unheard of" on the market, according to GIA's Gems & Gemology. According to a Bangkok-based gemstone dealer, the ratio of gem-quality crystals is roughly 1 in 10,000.
Q: Where is Grandidierite found?
A: It is a rare mineral known as Grandidierite, originally found in southern Madagascar in 1902. This mineral was named in honor of the French explorer Alfred Grandidier (1836–1922), who researched and investigated its natural history.
Q: What are the main components of Grandidierite?
A: Grandidierite is a magnesium aluminum borosilicate from the gemological perspective. It has a refractive index of 1.590 -1.623, a density in the range of tourmaline, and a Mohs hardness of 7 - 7.5.
Similar to garnet, and a density of 2.85–3.00. It crystallizes in the orthorhombic system.
Q: How does Grandidierite appear?
A: According to the GIA, grandidierite gem is bluish-green to greenish-blue color, with the blue component increasing with the iron content. It displays strong trichroic pleochroism. Depending on the viewing angle, they can display three colors: dark blue-green, colorless (sometimes extremely pale yellow), or dark green.
Q: Is Grandidierite expensive?
A: Yes, Grandidierite is a very precious gemstone since it is so rare. It is usually cut into cabochons with sizes ranging from one carat to ten, and they can fetch high prices. According to Forbes, the most expensive grandidierite stones can sell for up to US $20,000 per carat.
Q: How to identify good quality Grandidierite gemstones?
A: The easiest way to easily identify this gemstone is by its color.
The natural grandidierite gemstones are exclusively available in blue and green tones. Soft neon blue is the most sought-after color since it is both extremely rare and expensive.
Another reliable way to identify Grandidierite is by seeing it from various angles. Due to the pleochroic characteristics, this stone might appear in at least two or three colors depending on which side you look at. There are extremely few places where this phenomenon happens.
Q: Is Grandidierite a good choice for jewelry?
A: Yes, it is a beautiful stone used in jewelry and ornaments. It has a hardness of 7.5 and is scratch-resistant, making it a great choice for jewelry.
Grandidierite's blue-green color blends well with silver, gold, platinum, or rose gold metals. The gemstone's translucent hue offers rich color depth without overwhelming designs, bringing life to jewelry customizations. Because of its durability, it is used to create both men's and women's jewelry and accessories for more intricate designs and traditional jewelry, including bracelets, necklaces, and earrings.