Its colors are diverse, including red, blue, green, orange, purple, pink and so on. The crystal morphology of spinel is mostly octahedral and sometimes cubic. Its hardness is high, about 8, which can be used for jewelry processing and inlay.
Spinel is very common in nature and widely distributed in many rocks, such as granite, pyroxene and marble. It can also appear in natural form and be found by people, and used as gems, decorations and handicrafts. The color, transparency and purity of spinel have an important influence on the value of gemstones.
Spinel enjoys a certain reputation in the gem world, and its beautiful color and elegant appearance make it one of people's favorite gems. It is worth noting that spinel and ruby are sometimes confused because they may be similar in appearance, but different in chemical composition and properties.
Matters needing attention in purchasing spinel
1. quality and transparency: the quality and transparency of spinel are important indicators to judge its quality. High quality spinel should be transparent or translucent, without obvious defects, cracks or impurities.
2. Color: The color of spinel is also an important consideration. Spinel can have various colors, such as transparency, white, purple, pink and so on. Choose your favorite color to ensure bright and shiny luster.
3. Shape and cutting: Spinel can have different shapes and cutting, such as spherical, cylindrical, decorative and so on. Choose the shape that suits your personal preference, ensure the fine cutting process and make the gem more shiny.
4. Size and weight: According to personal needs and budget, choose spinel with appropriate size and weight. Spinel with large volume and weight is usually more expensive and needs to be selected according to your own preferences and economic ability.