Olivine is a magnesium iron silicate mineral and belongs to the orthorhombic crystal system. The crystals are short columnar. Complete crystals are rare. Most of them are irregular round granular aggregates. They have glass luster, transparan menjadi tembus cahaya, dan kekerasan 6.5-7.0. Olivine is a kind of self-colored gemstone, which is green due to iron […]
Arsip Kategori: Berita perhiasan
Topaz adalah sejenis mineral aluminasi magnesium dan milik sistem kristal ortorombik. Sebagian besar kristal dalam bentuk kolom ortorombik. Ada juga agregat granular dan masif dengan kilau kaca, transparansi dan kekerasan 8. Topaz kaya warna, dengan coklat kekuningan menjadi yang paling umum, merah […]
The first series is Almandine, including Almandine, Spessartine and Spessartine. The English name of Almandine is Almandine, which comes from Latin, arti “charcoal powder”. Because of its high content of iron, it is mostly brownish red or brownish-black-red. It can emit a dark red like a fire when charcoal is burning, and some translucent ones […]
Crystal is a colorless and transparent quartz crystal mineral. It belongs to the trigonal crystal system. The crystal is usually a cone composed of a hexagonal double cone and a hexagonal column. It is also common to appear transparent in irregular or beautiful crystal clusters, dengan kilau kaca, dan kekerasan 7. The main […]
Jadeite is a commercial name. nyatanya, it is a kind of rock composed mainly of jadeite. The main component of jadeite is sodium aluminosilicate, which belongs to the monoclinic crystal system. Single crystals are rare, usually granular or fibrous microcrystalline compact aggregates, with glass luster to grease luster, transparan hingga buram, dan kekerasan […]
Feldspar is an aluminosilicate mineral with potassium, sodium and calcium as the main chemical components. Feldspar has glass luster and pearl luster, transparan menjadi tembus cahaya, usually colorless, putih, light brown, green and blue Green is very rare in the feldspar family that can achieve good gem quality. Only feldspars with transparent crystals, bright colors and […]
Tanzanit, the English name Tanzanite, is derived from place names. It is a kind of vanadium-containing zoisite (V-Zoisite). Because it was discovered in Tanzania, Africa in 1967, the international gemstone community named it “Tanzania Stone”, or tanzanite for short. Tanzanite is calcium aluminosilicate and belongs to the epidote group of minerals in mineralogy. Dia […]
Opal is a gemstone with a color-changing effect. Pliny, a famous natural scientist in ancient Rome, once described it as follows: “On an opal stone, you can see the flame of ruby, the color spots like amethyst, and the emerald sea. Hijau, the five colors are colorful, blending together, and beautiful.” In ancient China, opal […]
Fluorite is an important fluorine-containing mineral in nature, jadi disebut juga “fluorit”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, transparan menjadi tembus cahaya, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, hijau, ungu, and white, Tetapi […]
Rhodochrostite adalah sejenis mineral karbonat mangan dan termasuk dalam sistem kristal trigonal. Kristal adalah rhombohedron dan sering diproduksi sebagai agregat. Mereka adalah blok granular, seperti susu, stalaktit, nodul, dan nodul dengan pola berlapis konsentris di dalamnya. Ini memiliki kilau kaca untuk kilau mutiara, transparan menjadi tembus cahaya, kekerasan 3.5-4.5. Warna rhodochrosite […]