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, 透明から半透明, と硬さ 6.5-7.0. Olivine is a kind of self-colored gemstone, which is green due to iron […]
カテゴリアーカイブ: ジュエリーニュース
Topaz is a kind of magnesium aluminate mineral and belongs to the orthorhombic crystal system. Most of the crystals are in the shape of orthorhombic columns. There are also granular and massive aggregates with glass luster, transparency and a hardness of 8. Topaz is rich in color, with yellowish brown being the most common, 赤 […]
The first series is Almandine, including Almandine, Spessartine and Spessartine. The English name of Almandine is Almandine, which comes from Latin, 意味 “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. 三方晶系に属します. 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, ガラス光沢のある, そして硬さは 7. The main […]
Jadeite is a commercial name. 実際には, 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, 透明から不透明へ, と硬さ […]
Feldspar is an aluminosilicate mineral with potassium, sodium and calcium as the main chemical components. Feldspar has glass luster and pearl luster, 透明から半透明, usually colorless, 白, 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 […]
タンザナイト, 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. それは […]
Opal is a gemstone with a color-changing effect. Pliny, a famous natural scientist in ancient Rome, once described it as follows: “オパールの石の上に, you can see the flame of ruby, アメジストのような色の斑点, and the emerald sea. 緑, the five colors are colorful, blending together, and beautiful.” 古代中国では, オパール […]
Fluorite is an important fluorine-containing mineral in nature, だからそれはまた呼ばれます “蛍石”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, 透明から半透明, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, 緑, 紫, and white, しかし […]
ロードクロサイトは炭酸マンガン鉱物の一種で、三方晶系に属します。. 結晶は菱面体であり、多くの場合集合体として生成されます。. 粒状のブロックです, 乳白色の, 鍾乳石, 結節, 内部に同心円状の層状パターンを持つ結節. ガラス光沢からパール光沢まであります, 透明から半透明, 硬度 3.5-4.5. The color of rhodochrosite […]