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Mystic Topaz - Another treated stone is sold under the name "mystic" topaz. This is a stone with an iridescent appearance that is produced by vapor coating the surface of clear topaz with titanium oxide. This surface coating is not permanent and many mystic topaz gemstones quickly show signs of wear.

Mystic Topaz - Another treated stone is sold under the name "mystic" topaz. This is a stone with an iridescent appearance that is produced by vapor coating the surface of clear topaz with titanium oxide. This surface coating is not permanent and many mystic topaz gemstones quickly show signs of wear.

At 22,892.50 carats, American Golden Topaz is not only the largest cut yellow topaz in the world, but also one of the largest faceted gems in the world. It was discovered in Minas Gerais, Brazil and is a part of the Smithsonian Museum’s collection (USA)at present.

At 22,892.50 carats, American Golden Topaz is not only the largest cut yellow topaz in the world, but also one of the largest faceted gems in the world. It was discovered in Minas Gerais, Brazil and is a part of the Smithsonian Museum’s collection (USA)at present.

レースが好き。 シンプルでちゃんとしてるけど、柔らかい女性らしさがある。

レースが好き。 シンプルでちゃんとしてるけど、柔らかい女性らしさがある。

An amazing piece of opalized wood...now in someone's collection in Germany... Bill Kasso

An amazing piece of opalized wood...now in someone's collection in Germany... Bill Kasso

にじいろのさかな (世界の絵本)

にじいろのさかな (世界の絵本)

Topaz of any type is a good jewelry stone and it is historically one of the most important gemstones. With its relatively high refractive index and hardness of eight (Mohs scale), with no special sensitivity to chemicals, it can be used, with appropriate care (should be protected from hard knocks), in any jewelry application.

Topaz of any type is a good jewelry stone and it is historically one of the most important gemstones. With its relatively high refractive index and hardness of eight (Mohs scale), with no special sensitivity to chemicals, it can be used, with appropriate care (should be protected from hard knocks), in any jewelry application.

Smoky Quartz, 49,78 ct, This stone has a true "smoky" color, reminiscent of top Swiss Smoky Quartz specimens. It's a rather large gem considering that it weighs nearly 50 carats and the fact that it is virtually eye clean makes it that much more impressive. To top it all off, the stone has a dazzling "Concave Spinning Trillion" cut which is unlike any cut I have ever seen.

Smoky Quartz, 49,78 ct, This stone has a true "smoky" color, reminiscent of top Swiss Smoky Quartz specimens. It's a rather large gem considering that it weighs nearly 50 carats and the fact that it is virtually eye clean makes it that much more impressive. To top it all off, the stone has a dazzling "Concave Spinning Trillion" cut which is unlike any cut I have ever seen.

春、まっ先に着たい!「上品キレイな愛され服」で新しい私!|小学館 Oggi.TV Oggi(オッジ)オフィシャルサイト

春、まっ先に着たい!「上品キレイな愛され服」で新しい私!|小学館 Oggi.TV Oggi(オッジ)オフィシャルサイト

World's RAREST Largest Collector's Gem 26100cts Super Swiss Blue Topaz | eBay

World's Rarest & Largest Collector's Gem -26100cts -Super Swiss Blue Topaz - NR

World's RAREST Largest Collector's Gem 26100cts Super Swiss Blue Topaz | eBay