quartz

Quartz is a relatively well-known gemstone, with many types and quantities in circulation. It is broadly classified into two types: transparent to translucent single crystal and translucent to opaque polycrystal. Single crystal stones include amethyst, citrine, and rose quartz, while polycrystalline stones include chalcedony, agate, and jasper. Many contain other minerals and liquids as inclusions.

Karatz GemMagazine
" quartz "

Brazilian Medusa Quartz (Paraiba Quartz) 1.529ct Loose Stone Sale price¥6,980

Brazilian Medusa Quartz (Paraiba Quartz) 1.241ct Loose Stone Sale price¥6,980

Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone Sale price¥8,800

Brazilian dendritic quartz 4.603ct loose stone Sale price¥12,800

Brazilian dendritic quartz 4.178ct loose stone Sale price¥12,800

Brazilian dendritic quartz 5.657ct loose stone Sale price¥16,800

Brazilian dendritic quartz 3.333ct loose stone Sale price¥9,800

【甲州貴石切子plusthree】グリーンクォーツ 6mm/0.714ctルースワッペン付

[Koshu Precious Stones Plusthree] Green Quartz 6mm/0.714ct Loose Stone with Patch Sale price¥25,800

Dumortierite in quartz 0.387ct loose Sale price¥8,800

Brazilian Dumortierite in Quartz 0.625ct Loose Stone Sale price¥8,800

Lepidocrocite in quartz 0.308ct loose Sale price¥8,800

Lepidocrocite in quartz 1.087ct loose Sale price¥6,980

Lepidocrocite in quartz 0.770ct loose Sale price¥6,980

Lepidocrocite in quartz 0.782ct loose Sale price¥6,980

Lepidocrocite in quartz 1.096ct loose Sale price¥9,800

Lepidocrocite in quartz 1.324ct loose Sale price¥6,980

Lepidocrocite in quartz 0.532ct loose Sale price¥6,980

Epidote in Quartz from France 16.498ct loose stone Sale price¥19,800

Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone Sale price¥39,800

Brazilian Paraiba tourmaline in quartz 1.815ct loose Sale price¥55,800

Brazilian Quartz in Quartz 14.298ct Loose Stone Sale price¥25,800

[Sakura Incut] Smoky Quartz 22mm/27.511ct Loose Japanese-German Edition Sale price¥98,000

Brazilian Medusa Quartz (Paraiba Quartz) 1.168ct loose Sale price¥22,800

Brazilian Medusa Quartz (Paraiba Quartz) 2.524ct loose Sale price¥35,800

Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose Sale price¥24,800

Brazilian Paraiba tourmaline in quartz 1.602ct loose Sale price¥49,800

Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz) Sale price¥25,800

Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz) Sale price¥29,800

Rutilated Quartz (Rutilated Quartz) 16.795ct Loose (Sun Rutilated Quartz) Sale price¥49,800

Aquamarine in quartz 18.954ct rough stone Sale price¥15,800

Brazilian aquamarine in quartz 9.290ct raw stone Sale price¥9,800

Platinum Rutilated Quartz (Brookier Lepidocrocite in Quartz) 7.354ct Loose Sale price¥19,800

Platinum Rutilated Quartz (Brookier Lepidocrocite in Quartz) 5.645ct Loose Sale price¥15,800

Platinum Rutilated Quartz (Brookier Lepidocrocite in Quartz) 9.457ct Loose Sale price¥25,800

Platinum Rutilated Quartz (Brookier Lepidocrocite in Quartz) 6.439ct Loose Sale price¥16,800

《Yurakucho Marui 2024112 takeout》Brazilian Lepidocrosite in Quartz 0.992ct loose stone Sale price¥4,980

Dendritic quartz 4.272ct loose Sale price¥9,800

Dendritic quartz 3.875ct loose Sale price¥8,800

Dendritic quartz 5.752ct loose Sale price¥9,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 0.551ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.9mm/0.551ct Loose Stone Sale price¥8,800

[Koshu Precious Stones plusthree] Green Quartz 6mm/0.743ct Loose with Patch Sale price¥25,800

[Moonsteiner] Pyrite in Quartz 18.288ct Loose Sale price¥59,800

Brazilian Paraiba tourmaline in quartz 0.819ct loose Sale price¥15,800

Medusa Quartz (Paraiba Quartz) 1.855ct loose Sale price¥25,800

Brazilian dendritic quartz 3.224ct loose Sale price¥5,980

Brazilian dendritic quartz 2.502ct loose Sale price¥5,980

Brazilian dendritic quartz 4.675ct loose Sale price¥9,800

Brazilian dendritic quartz 1.775ct loose Sale price¥3,980

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

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