会员登录
用户名:
密码:
验证码
您好,您已登录!  您有条新到站内短信  进入会员中心  退出登录
留言搜索
 
 
点评详情
发布于:2017-12-7 20:48:35  访问:6 次 回复:0 篇
版主管理 | 推荐 | 删除 | 删除并扣分
Related Minerals - Nickel-Strunz GroupingHide
Kornerupine is named following the explorer, Andreas Nikolaus Kornerup, right after it was initial uncovered in Greenland.Often remove gems and jewelry prior to actively playing sports activities, doing exercises or participating in any vigorous physical house chores, such as dishwashing. Kornerupine gems should be saved separately and away from other gems and jewellery. It is suggested that gemstones are wrapped independently in a soft fabric and put within a material-lined jewellery box for extra safety.A willemite gemstone from the United States. Element of the Countrywide Gem Selection.
Owing to its excessive rarity, kornerupine is mainly sought right after by gem collectors rather than jewelry designers. However, right after a lot more latest discoveries of uncommon colorful deposits identified in Africa, its acceptance and need for jewelry use has enhanced. Kornerupine could also be traded as `prismatine`, a trade name which refers to its long prismatic crystals. Kornerupine is identified to show robust pleochroism, typically yellowish inexperienced to reddish brown in shade. Some stones could exhibit chatoyancy when reduce en cabochon, but this is exceptionally rare.Kornerupine (this stone mined in Madagascar), which is also known as Prismatine. The colors of kornerupine alter based on the angle from which it is seen, but green and blue (and combos thereof) are the most coveted shades for the stone.Kornerupine was named in 1884 by Danish mineralogist Johannes Theodor Lorenzen (1855-1884) to shell out tribute to Danish geologist, Andreas Nikolaus Kornerup (1857-1883). Kornerup kicked the bucket at age 26 from a lung illness he contracted while on an endeavor in Greenland. Even with the truth that Kornerup passed on at these kinds of a youthful age, he figured out how to established up himself as a very significantly regarded geologist in Greenland inquire about. Fortuitously, Johannes Lorenzen likewise kicked the bucket at a youthful age, 29, although on an endeavor in Greenland in 1884.
Responses: Star kornerupine also has been found I(Mogok, Burma) but is very rare. Kornerupine is normally darkish brown or green and not very desirable thanks to the somber shades. The mild green material from Kenya is considerably more interesting, but the sizes are usually modest (under 3 carats as a rule). The shade is triggered by traces of Fe, Cr. and V. In spite of the simple fact that numerous stones are in museums and personal collections, kornerupine is a fairly unusual gemstone and, for the collector, value buying when accessible.Physical Products for Resale/Distribution: includes the right to use the pictures or stills comprising media for T-shirts, postcards, greeting playing cards, mugs, mousepads, posters, calendars, framed artwork that is to be offered to other consumers for an unlimited quantity of copies (applies as a complete of each and every sort of utilization). This is an additional license to the legal rights integrated in the standard Royalty-Cost-free license. Be aware that the other restrictions even now implement.By chemical composition, kornerupine is a intricate borosilicate that involves magnesium, iron and aluminum. Its crystals kind in the orthorhombic method and it has a refractive index of 1. 67 to 1. sixty nine, equivalent to that of spodumene. Gem-high quality kornerupine is transparent to translucent with a vitreous luster. It is a reasonably dense content, with a specific gravity of 3. 28 to 3. 35, similar to that of tanzanite and diaspore.
Dravite: Dravite also referred to as Brown Tourmaline is a sodium magnesium-prosperous mineral in the Tourmaline team of silicates, with a hexagonal system. Other members of this group incorporate elbaite (sodium lithium aluminum prosperous) schorl and buergerite (sodium iron prosperous) uvite (calcium magnesium rich) and liddicoatite (calcium lithium aluminum wealthy). A constant strong remedy series exists among uvite and dravi (go through entire)Kornerupine is a rare mineral sometimes employed as a gemstone. It seems frequently in parcels from Ceylon and may be baffled with beryl, peridot, topaz, or quartz. The stone is strongly pleochroic with dim reddish brown and yellow environmentally friendly as the predominant colors from Ceylon. Ceylon substance is typically fashioned into cats eye cabochons. A blue environmentally friendly range was also just lately identified in Tanzania.Owing to its intense rarity, kornerupine is mostly sought soon after by gem collectors rather than jewelry designers. However, soon after much more recent discoveries of uncommon vibrant deposits located in Africa, its recognition and demand from customers for jewellery use has increased. Kornerupine could also be traded as `prismatine`, a trade identify which refers to its extended prismatic crystals. Kornerupine is acknowledged to show robust pleochroism, typically yellowish eco-friendly to reddish brown in colour. Some stones might exhibit chatoyancy when minimize en cabochon, but this is exceptionally unusual.
共0篇回复 每页10篇 页次:1/1
共0篇回复 每页10篇 页次:1/1
我要回复
回复内容
验 证 码
看不清?更换一张
匿名发表