About Crystal
Calcite crystals are often Utilized in optical machines, and in some cases the graphite in pencil guide are sheets of crystals that basically break aside layer by layer to jot down. Silica can form silicate crystals which are the basis for quartz, mica, olivine, and a number of other crystals and minerals.③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品至晶莹剔透为止。
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。
The requested inner framework of huge crystals, similar to the fluorite and quartz proven in this article, is reflected of their geometric styles.
How Crystals Sort The entire process of forming a crystal is termed crystallization. Crystallization normally happens whenever a stable crystal grows from the liquid or Option.
Find out how the shape in the crystals determine the different minerals into familiesMinerals crystallize In accordance with amongst seven motifs, referred to as crystal methods.
对任何宝石来说，颜色都是非常重要的，水晶也不例外。如果是水晶晶体是有颜色的，如粉水晶、黄水晶、紫水晶等，其颜色评价的最高标准则是明艳动人，不带有灰色、黑色、褐色等其他色调。如粉水晶，颜色以粉红为佳；紫水晶，要求颜色为鲜紫，纯净不发黑；黄水晶，要求颜色不含绿色、柠檬色调，以金橘色为佳。对于发晶来说，晶体的颜色也是很重要的。相同发丝的金发晶，晶体完全无色（白水晶）和晶体略偏茶色，肉眼的视觉观感也是有差别的，所以前者的价格会高于后者。
Being a incredibly hot Option cools or maybe a saturated Alternative evaporates, particles attract close adequate for chemical bonds to form. Crystals might also variety from deposition directly from the gas phase. Liquid crystals possess particles oriented in an structured fashion, like stable crystals, but are able to flow.
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All crystal ball crystal clear copyright liquid crystal crystal lattice crystal structure liquid crystal Show See all meanings Idioms and phrases crystal very clear idiom
Crystals are don't just renowned for his or her physical visual appearance, but different crystals of various materials and formations can lead to an unlimited assortment of uses and Actual physical properties.
《古今小说·李公子救蛇获称心》：“器皿皆是玻璃、水晶、琥珀、玛瑙为之，曲尽巧妙，非人间所有。”
Good Vocabulary: associated words and 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 extra results » You can even uncover relevant words and phrases, phrases, and website synonyms during the subject areas: