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About quality

color stone reference table

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We spend a lot of time on quality checks.

Quality

F: A quality that makes it difficult to see inclusions with a 10x magnifying glass.

VS: Quality that makes it difficult to see the inclusions with the naked eye.

SI: Quality that can be seen with the naked eye * Including fine chips and scratches that are difficult to see with the naked eye and lack of fabric

hue

S: A top-class color for the gem type or a rare color that does not exist in large numbers


A: A quality color that falls within the beautiful or wonderful class of the gem type

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Green Herderite Gemstone Loose 3.15CT

Green Herderite Gemstone Loose 3.15CT

◆◆◆◆For non-Japanese buyer◆◆◆ [With loose certificate] If there is a statement like the above, the product has been inspected in Japan. be attached.

Regular price ¥6,090.00 CNY
Regular price Sale price ¥6,090.00 CNY
Sale Sold out
Tax included. Shipping calculated at checkout.

[With loose identification book]
A rare stone that exceeds large 3CT!
Green Helderite 3.15CT


RECOMMEND POINT
Herderite is a rare gemstone crystal.
Among them, this stone is even rarer in green color.

Herderite is a rare stone known only to those in the know.

It is a rare gemstone for collectors who can't find it even if they look for mineral encyclopedias because it is produced in small quantities.

This gemstone was discovered in a tin mine in Ehrenfriedersdorf, Saxony, Germany in 1825, and was named after Baron Von Herder, the mine manager at the time.

It is a "phosphate mineral" of calcium and beryllium, and is generally colorless or pale yellow in color.

As a characteristic of the mineral, there are extremely few gem-quality crystals that are beautiful enough to be cut into gemstones, and most of them are in the specimen class.

Of course, this crystal also contains inclusions, but since there are almost no inclusions that can be cut in the first place, it is transparent and is already valuable when it shines.

What attracted our attention most to this crystal was its beautiful green color that was visible to the naked eye.

Most of the gemstone qualities of herderite are colorless or yellow, with very few green, pink, or purple colors, making it a rare color.

One of them is green color.
A gentle muscat green that looks like plinite (grape stone) at first glance.

We have introduced many colored stones that are called rare, but this is a class of rare stone that we have very little possession of in the past.

Furthermore, there are very few opportunities to see facet cuts larger than 3CT even in Japan.

This is a highly recommended collection stone.







◇Gem Herderite ◇Weight 3.15CT ◇Shape Trilliant ◇Dimensions 9.83x9.88x5.91mm ◇Producer Afghanistan ◇Hardness 5.0-5.5 ◇Quality SI ◇Hue S ◇Remarks Ruth identification book included
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For customers in Japan, we will ship from Osaka, where we are located, by Kuroneko Yamato.
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International customers will be shipped by Fedex or DHL.

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542-0081

3-2-22-202 Minamisenba, Chuo-ku, Osaka

TEL 0120-835-865 (Japanese only)

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