Not known Details About Crystal
Not known Details About Crystal
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其它描述：《庶物异名疏》中说： �?水精出大秦国，一名黎�?�?。结晶完整的水晶晶体，就如参差交错的马齿，所以人们又叫它马牙石。先民们最早用它研磨成眼镜片，因而送它一个眼镜石的绰号。水晶有通称，也有俗称。广州一带称水晶叫晶玉，又名鱼脑冻；江苏东海县山民发现水晶会 �?窜火�?�?，于是给它起个放光石的俗名。世间一物多名，不足为奇，而像水晶拥有这么多的别称，实不多见。瞧，从水玉、水碧、白玉、玉瑛、水精石英、黎难、晶玉到菩萨石、马牙石、眼镜石、放光石、千年冰、高山冻、鱼脑冻等等，简直构成一部奇石鉴赏史。
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一般而言，紫晶和黄晶是水晶中价值较高的品种。两者进一步的分级是据其颜色的深浅，颜色较深的为A级，稍浅的为B级。一般颜色较深的价格高，但要以不深暗为标准。颜色包括两种，一种是水晶本身的颜色，另一种是内部包裹体的颜色。水晶本身的颜色要艳丽、纯正，分布要均匀，不能太深或太浅，如澳州玉、蓝玉髓、紫晶、黄水晶，其价格就高。无色的水晶内含包裹体的颜色艳丽，其价格也高，如钛晶、绿幽灵、红兔毛。紫水晶一般以稍有云状物、颜色深紫、晶体通透的为上品。
We have published about in excess of 300 stones inside the mineral kingdom! Read about Every stone's one of a kind origin, history, and energies down below.
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。
Learn the way The form in the crystals ascertain the several minerals into familiesMinerals crystallize In accordance with considered one of 7 motifs, often called crystal units.
水晶的评价标准和高端宝石有所不同。多数高端宝石把颜色放在评价的第一位，而对水晶来说，颜色和净度（水晶行业称作晶体）是近乎同等重要的因素：
市场上有很多人把熔炼水晶也叫做合成水晶，那是不准确的，一般都是以水晶废料为原料在高温高压下熔炼出来的，而不是结晶成的，不具备水晶的晶体特性，所以不能把熔炼水晶与合成水晶混为一谈；但是熔炼水晶耐高温，用优质二氧化硅熔炼成的熔炼水晶可以做成实用产品比如水晶杯、烤盘、茶具等，实际上一代伟人毛泽东主席的水晶棺就是选用东海优质水晶熔炼而成的。
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Solids which have brief-selection order but lack long-assortment buy are named amorphous. Just about any product can be created amorphous by rapid solidification from the melt (molten state). This condition is unstable, and the strong will crystallize in time. If the timescale for crystallization is several years, then the amorphous point out seems steady.
Through the Cambridge English Corpus We are saying the chain topology in the high w area functions as being the proverbial ' scratch-on-theglass ' wanted during the organic and natural chemistry laboratory to help make crystals. Within the Cambridge English Corpus Constant-force and temperature molecular-dynamics simulations of crystals with the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. With the Cambridge English Corpus In combination with these, dust particles have been noticed in low-temperature plasmas, like All those used in plasma processing and plasma crystals. With the Cambridge English Corpus The final A part of the reserve focuses on peculiarities of strongly coupled dusty plasmas, including the formation of dust crystals and affiliated appealing forces. With the Cambridge English Corpus Comprehensive characterization of injury threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. With the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or more irregular, Major morphologies weren't noticed. In the Cambridge English Corpus See all samples of crystal These illustrations are from corpora and from resources online. Any viewpoints from the illustrations will not signify the impression with the Cambridge Dictionary editors or of Cambridge College Press or its licensors.
The sodium chloride crystal lattice is characterized via the shut packing of the good sodium ions and destructive chloride ions. Each individual sodium ion is surrounded by six chloride ions, and each chloride ion is surrounded by six sodium ions, making a hugely steady and symmetrical structure.
crystal, any solid materials during which the component atoms are arranged in a very definite pattern and whose surface area regularity demonstrates its inside symmetry.
Good Vocabulary: similar phrases and phrases get more info 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 much more effects » You can also find similar words and phrases, phrases, and synonyms from the subject areas: