Crystal Options
Crystal Options
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Not all crystals are Similarly crystalline. There are often impurities, and the ionic & covalent concerning molecules can generate vastly diverse structures outside of the same substance. An awesome illustration of this are diamonds and graphene.
Bismuth (Bi) seems being a metal, but the volume of electrons accessible for electrical conduction is comparable to that of semiconductors. In fact, bismuth is called a semimetal. Molecular solids are often crystals formed from molecules or polymers. They can be insulating, semiconducting, or metallic, depending on the sort of molecules from the crystal. New molecules are continuously being synthesized, and plenty of are created into crystals. The quantity of distinctive crystals is enormous.
发晶的价值取决于发的颜色、罕见性及大小,一般是发色鲜艳、块度大的价格高。水胆水晶的价值主要取决于水胆及晶体的大小、透明度的高低。如果水胆较大并有一定形态,便可加工成较为珍贵的工艺品。另外水胆中的水也有一定的科学研究价值,通过它们可了解几百万年前地球上水的成分及变化。
养殖晶:养殖晶是指,用天然水晶做种子,然后赋予天然水晶生长的高压条件,养殖器中有富含二氧化硅的分子。然后二氧化硅分子围绕天然水晶种生长,这样的水晶成分(分子式)与天然水晶是一摸一样的,唯一有差别的是,这样的水晶磁场作用没有天然水晶强。
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。
你们都知道,拿起一个水晶棱镜,让一束阳光通过它,就会得到一个光谱,看起来就像一条连续的彩虹色带。
Incorporate to phrase checklist Incorporate to phrase listing [ C/U ] clear rock that looks like ice, or perhaps a piece of it
The elements are discovered in a number of crystal packing arrangements. The most common lattice buildings for metals are those acquired by stacking the atomic spheres into the most compact arrangement.
Quite a few crystals behave like butter in that they are tough at low temperatures but gentle at greater temperatures. They are really referred to as solids in any way temperatures underneath their melting point. A probable definition of the sound is really an item that retains its form if remaining undisturbed. The pertinent situation is just how long the item keeps its form. A highly viscous fluid retains its shape for an hour or so although not a 12 months. A solid should retain its shape extended than that.
广义的包裹体是指宝石内部含有的与主晶宝石化学成分、物理性质等不同的物质。
16I opened the box and noticed a piece of crystal snowflake as well as a greeting card with "Satisfied Birthday" from the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。
Crystal Lattices You'll find seven systems of crystal buildings, which might be also called lattices or more info Place lattices:
水精:水晶为何称为水精,《广雅》有巧解:�?水之精灵�?”;李时珍则说:�?莹洁晶光,如水之精英 ”。细加考究,此称还蕴含浓厚的宗教意味呢。水精一名,最初见于佛书,后汉支曜翻译的《具光明定意经》说:�?其所行道,色如水�?�?。
Sensible Vocabulary: connected phrases and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See a lot more outcomes » You may also locate related text, phrases, and synonyms while in the topics: