Definition: a potassium lithium iron aluminium silicate hydroxide fluoride silicate mineral inthe mica group 鐵鋰云母tiě lǐ yún mǔFormula: KLiFeAl (AlSi3)O10(OH,F)2Origin:named after its locality:Erzgebirge of Saxony at Zinnwald (now Cinovec)—“OreMountains”,C...[繼續(xù)閱讀]

    Definition: a grey crystalline allotropic form of carbon which occurs as a mineral in somerocks and can be made from coke. It is used as a solid lubricant,in pencils,and as a moderatorin nuclear reactors.石墨shí mòFormula: COrigin: late 18th century:coined ...[繼續(xù)閱讀]

    Definition:a complete change of direction or action 逆向 nì xiàng;逆轉(zhuǎn) nì zhuǎnOrigin: Middle English:from Old French revers,reverse(nouns),reverser(verb),fromLatin reversus“turned back”,past participle of revertere,from re-“back”+vertere “to turn”Example:The...[繼續(xù)閱讀]

    Definition:a statement relating two or more individuals of a twin to one another in terms oftheir crystallography (twin plane,twin axis,and so on)雙晶律shuāng jīng lǜExample:The spring-back law of the thick-plate in twin-curvature mould press is studied.對(duì)雙曲率...[繼續(xù)閱讀]

    Definition:表生的 biǎo shēng de,淺成的 qiǎn chéng deOrigin: hyper-+geneExample:The reef underwent four diagenetic period,such as syngenetic,eogenetic,telogenetic,andhypergene diagenetic period.生物礁經(jīng)歷了同生成巖、早成巖、晚成巖和表生成巖四個(gè)階段。In shallow hyp...[繼續(xù)閱讀]

    Definition:a small flat rectangular piece of glass on which specimens can be mounted formicroscopic study載玻片zài bō piànOrigin:before 950;Middle English sliden (v.),Old English slīdan; from Middle LowGerman slīden,Middle High German slīten; akin to sledExa...[繼續(xù)閱讀]

    Definition: Birefringence,or double refraction,is the decomposition of a ray of light (andother electromagnetic radiation) into two rays (the ordinary ray and the extraordinary ray)when it passes through certain types of material,such as calcite crystals ...[繼續(xù)閱讀]

    Definition: An uncommon twin law applicable in feldspar,in which the twin plane andcomposition surface are. A Baveno twin usually consists of two individuals.巴韋諾雙晶定律bāwéi nuò shuāng jīng dìng lǜ...[繼續(xù)閱讀]

    Definition:a black,dark brown,or greenish black micaceous mineral,occurring as aconstituent of many igneous and metamorphic rocks黑云母hēi yún mǔFormula:K (Mg,Fe)3〔AlSi3O10〕(OH,F)2Origin:mid 19th century:named after J.-B. Biot(1774-1862),French mineralogistE...[繼續(xù)閱讀]

    Definition:(Physics) restrict the vibrations of(a transverse wave,especially light) whollyor partially to one direction[物理]使產(chǎn)生偏振 shǐ chǎn shēng piān zhènOrigin:1812,from polarize+-ationExample:The polarization mechanism of ferroelectric materials includes...[繼續(xù)閱讀]