Crystal Options
Crystal Options
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水晶表面坑洼的地方,有的深,有的浅,这是水晶在成长过程中自然形成的,并非是人为造成的损伤。缺陷位置本来包有其他矿物晶体,由于包裹体和水晶结合部位的结合力不强,当表面抛光时,矿体脱落,留下空位。这种缺陷在绿幽灵、钛晶、金发晶上都比较常见。
A different fun, and tasty, experiment will be to type big crystals making use of sugar. By heating sugar with water after which you can letting this solution evaporate on sticks, you can form rock sweet from sugar crystals!
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。
Tetragonal: These crystals variety prisms and double pyramids. The structure is sort of a cubic crystal, apart from 1 axis is extended than the opposite.
断口:贝壳状。断口也叫破口。它是指矿物被打击后产生不规则的破裂,破裂裂面凹凸不平称为断口。根据断口的形状可分为贝壳状和锯齿状。
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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:
The elements are identified in a variety of crystal packing arrangements. The most typical lattice constructions for metals are Those people acquired by stacking the atomic spheres into by far the most compact arrangement.
水晶包裹体丰富多彩,从气体、液体到各种矿物质,甚至宝石,均可被包含于水晶内,各种包裹体所形成的景象更是变化万千。按照包裹体的内容,常把包裹体水晶分为一下八类:
crystal The recently crystallized quartz grains are characterized by elongate crystals oriented oblique for the shear band margins, defining a typical grain-condition foliation. 来自 Cambridge English Corpus We say the chain topology while in the superior w location functions as being the proverbial ' scratch-on-theglass ' needed during the organic and natural chemistry laboratory to generate crystals. 来自 Cambridge English Corpus The age scatter amongst the person crystals could replicate incorporation of xenocrysts from previously magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene sorts neutral to pale brown, subhedral to anhedral crystals, sometimes made up of inclusions of plagioclase microlaths and opaque phases.
看孔眼:对于缀穿水晶制品(如项链、手链、佛珠),要看孔眼是否平直,孔的粗细是否均匀,有无细小裂纹。孔壁必须清澈透明,无“白痕”。
You can find just a few unique device-cell styles, so a variety of crystals share a single unit-cell kind. A crucial characteristic of the unit mobile is the volume of atoms it has. The overall range of atoms in your complete crystal would be the number in Just about every cell multiplied by the quantity of unit cells. Copper and aluminum (Al) Every single have one particular atom for each device cell, whilst zinc (Zn) and sodium chloride have two. Most crystals have only some atoms for each click here unit mobile, but there are several exceptions. Crystals of polymers, one example is, have thousands of atoms in Every device cell.
crystal, any reliable substance where the ingredient atoms are arranged within a definite pattern and whose surface regularity displays its interior symmetry.
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。