Gemstone Names are divided into classic name and trade name. Dyed Jade is commonly treated in this manner.ĭyed & Heated: To improve or change the color of gemstones by heating and dying process, such as most Red Agate, Black Agate and Red Tiger Eye are dyed and heat-treated.Įlectroplated: The surface of gemstone is covered with a thin film by plating to change its color or luster, such as Electroplated Quartz Crystal, Electroplated Lava Rock. Color treatment of our gems is divided into Dyed, Dyed & Heated and Electroplated.ĭyed: Infiltrating color-causing substances (such as colored oils, dyes, etc.) into gemstone by chemical methods to improve or change the color of gemstones. Imitation Stones are gemstones or other materials used to imitate the look and color of a kind of stone, but possess neither their chemical nor physical characteristics.Įxcept for cutting and polishing, gemstones are often treated to enhance the color, luster, clarity, optical characteristics, durability or usability of the stone. The components may be natural or man-made materials. Synthetic Gemstones are man-made crystals, non-crystalline solid or aggregates, which may be with chemical, optical and physical characteristics of its natural mineral counterpart.Īssembled Gemstones are made of two or more pieces of materials by artificial splicing that give the impression of gems. Our manufactured stones include synthetic gemstones, assembled gemstones and imitation stones.

Manufactured Stones are materials that are produced wholly or partly by hand for use as ornaments.

Red ribbon obsidian