Olivien is 'n magnesium yster silikaat mineraal en behoort aan die ortorombiese kristalstelsel. Die kristalle is kort kolomvormig. Volledige kristalle is skaars. Die meeste van hulle is onreëlmatige ronde korrelvormige aggregate. Hulle het glasglans, deursigtig tot deurskynend, en hardheid van 6.5-7.0. Olivien is 'n soort selfgekleurde edelsteen, wat groen is as gevolg van yster […]
Kategorie -argiewe: Juwele nuus
Topaas is 'n soort magnesiumaluminaatmineraal en behoort aan die ortorhombiese kristalstelsel. Die meeste van die kristalle is in die vorm van ortorombiese kolomme. Daar is ook korrelvormige en massiewe aggregate met glasglans, deursigtigheid en 'n hardheid van 8. Topaas is ryk aan kleur, met geelbruin die algemeenste, rooi […]
The first series is Almandine, including Almandine, Spessartine and Spessartine. The English name of Almandine is Almandine, which comes from Latin, betekenis “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. Dit behoort aan die trigonale kristalstelsel. 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, met glasglans, en 'n hardheid van 7. The main […]
Jadeite is 'n kommersiële naam. In werklikheid, dit is 'n soort rots wat hoofsaaklik uit jadeiet bestaan. Die hoofkomponent van jadeiet is natriumaluminosilikaat, wat aan die monokliniese kristalstelsel behoort. Enkelkristalle is skaars, gewoonlik korrel- of veselagtige mikrokristallyne kompakte aggregate, met glasglans om glans te smeer, deursigtig tot ondeursigtig, en hardheid van […]
Feldspar is an aluminosilicate mineral with potassium, sodium and calcium as the main chemical components. Feldspar has glass luster and pearl luster, deursigtig tot deurskynend, usually colorless, wit, 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 […]
Tanzaniet, 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. Dit is […]
Opal is a gemstone with a color-changing effect. Pliny, a famous natural scientist in ancient Rome, once described it as follows: “Op 'n opaal klip, you can see the flame of ruby, the color spots like amethyst, and the emerald sea. Groen, the five colors are colorful, blending together, and beautiful.” In antieke China, opaal […]
Fluorite is an important fluorine-containing mineral in nature, so word dit ook genoem “fluoriet”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, deursigtig tot deurskynend, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, groen, pers, and white, maar […]
Rhodochrosite is a kind of manganese carbonate mineral and belongs to the trigonal crystal system. The crystals are rhombohedrons and are often produced as aggregates. They are granular blocks, melkerig, stalactites, nodules, and nodules with concentric layered patterns inside. It has glass luster to pearl luster, deursigtig tot deurskynend, hardheid 3.5-4.5. The color of rhodochrosite […]