New Step by Step Map For Crystal

New Step by Step Map For Crystal

Blog Article

对这类水晶晶簇观赏石的欣赏与评价，主要是强调晶体的完整、品种的名贵（如紫水晶、烟晶、发晶等）、造型奇特、含有名贵晶体（如辰砂、辉锑矿等）伴生等。晶簇产于矿床晶洞中，长相完美的并不多见，要完整无损地采集下来，又比较困难，故而采集起来代价较大，精品晶簇价值也就昂贵了。

无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏，就没有利用价值。

水晶文化历史悠久，古人曾赋予它一串极富美感的雅称：水玉、水精、水碧、石英等。

Tetragonal: These crystals kind prisms and double pyramids. The structure is like a cubic crystal, except a single axis is longer than one other.

这种水晶观赏石特指水晶晶簇，它是众多单晶体集中生长在一起的晶体组合。晶簇以其晶莹剔透、独特造型而享誉水晶赏石界。

SMART Vocabulary: related text and phrases Glass blower blowpipe bulletproof glass Slice glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See far more results » You can even locate connected words and phrases, phrases, and synonyms inside the subject areas:

根据包裹体和主晶宝石之间形成的先后关系可将水晶的包裹体划分以下三种类�?

损伤是指水晶由于加工或不小心摔掉、碰撞等原因，人为造成的损坏。它可以是破口，也可以是凹坑等。

Quite a few crystals behave like butter in that they're tricky at lower temperatures but soft at bigger temperatures. They can be named solids in any way temperatures underneath their melting position. A probable definition of the sound is definitely an object that retains its form if remaining undisturbed. The pertinent challenge is just how long the item keeps its form. A extremely viscous fluid retains its form for an hour or so although not a 12 months. A strong need to hold its condition extended than that.

颜色：无色，浅至深的紫色，浅黄、中至深黄色，浅至深褐、棕色，绿至黄绿色，浅至中粉红。

There's two such achievable periodic preparations. In Each and every, the primary layer has the atoms packed into a airplane-triangular lattice in which every atom has 6 instant neighbours. Figure 2 shows this arrangement for your atoms labeled A

The arrangement of an atom’s electrons establishes its chemical Homes. The Qualities of solids are often predictable in here the Qualities in their constituent atoms and molecules, and different shell constructions of atoms are therefore answerable for the diversity of solids.

水晶饰品越来越受到人们的喜爱。中国、日本、韩国、美国等国家的人们还对水晶球情有独钟，喜欢将它们摆在家里或办公室里，认为水晶球有灵性，能保平安，带来财运。不过天然水晶不像看起来那么晶莹剔透，它也有瑕疵，我们在选购饰品的时候要注意。此外，我们还要掌握水晶的评价依据、选购方法，这样可以帮助我们在琳琅满目的水晶饰品中选到心仪的水晶。

Tell us about this instance sentence: The phrase in the example sentence doesn't match the entry term. The sentence incorporates offensive information. Cancel Submit Thanks! Your feedback will likely be reviewed. #verifyErrors concept