「欧泊」(Opal)是一种非晶质宝石,可以分为两个品种:一种拥有「变彩效应」(play-of-color),被称为「贵欧泊」(Precious Opal);另一种无变彩效应,被称为「普通欧泊」(Common Opal)。
英文名:Opal
硬度 6 比重 2.00-2.10
折射率 1.40-1.46
peidai:henruan,bimiangaowen、ganzaoheqiangguang
「oubo」(opal)shiyizhongfeijingzhibaoshi,keyifenweilianggepinzhong:yizhongyongyou「biancaixiaoying」(play-of-color),beichengwei「guioubo」(precious opal);lingyizhongwubiancaixiaoying,beichengwei「putongoubo」(common opal)。
「oubo」dezhuyaochengfenwei「eryanghuaguiheshui」(sio2·nh2o),yebeichengwei「danbaishi」、「aobao」、「shanshanyun」。
「欧泊」是一种十月诞生石。
人类对欧泊的认识
zaigongyuanqian250nianzuoyoudeluomashidai,「oubo」cengbeishiweizuigaodengdebaoshi,qimingchengyoukenenglaiziyufanyu「upala」,yisishi「dingjibaoshi」。zheishiyinweirenmenhaibulejie「oubo」sanfachucaihongbanyanseguangmangdeyuanyin,renweishijianghongbaoshi、lanbaoshi、lvsebaoshidenggezhongyansexiaokelibaoshijujizaiyiqidebaoshi。
zhongshijiderenmenrenwei「oubo」nengdailaihaoyun,yinwei「oubo」jujilesuoyoubaoshidesecai。
1829nian,sugelanxiaoshuojia sir walter scott zaixiaoshuo《anne of geierstein》limiaoshuleyimeijuyouchaoziranliliangdeoubo,zaixiaoshuozhong,zheimeishuyunvnanjuedeoubohushenfukeyichengxianzhurenxinqingdesecai,dangyidishengshuidizaizheimeihushenfushanghou,zheimeioubobianchenglewusedeshitou,nvnanjueyehenkuaisiqu。
zheibenxiaoshuozaiouzhouyidujiweiliuxing,chubanyinianhou,「oubo」zaiouzhoudexiaoliangxiadiele50%,bingdaozhirenmenjiang「oubo」heeyunlianxiqilai。zheizhongyingxiangshenzhiyanxuzhi20shiji。
aodaliyadetuzhurenchuanshuozhongcheng,zaowuzhutazhecaihongjianglindiqiuzhiji,「oubo」danshengle,dangtadejiaojiechudimian,zhouweidebaoshikaishishanshanfaguang,chengxiancaihongdegezhongyanse。
「欧泊」变彩的原因
「guioubo」de「biancai」shiguangde「yanshe」(diffraction)xianxiangzaochengde,「guioubo」youpailieguizedeweixiao「eryanghuagui」(sio2)qiutizuchengde,dang「guang」cong「eryanghuagui」qiutitouguo,jiuhuizheshesanfachucaihongbanguangpu。
zhiyaogaibian「guioubo」deguanchafangxiang,jiunenggouxinshangdaolinghuoduobiandecaihongsecai,zheijiushi「biancai」(play-of-color),biancaidezuizhongxiaoguoqujueyu「eryanghuagui」qiutidedaxiaojipailiedeyizhixing。
zhuru「heioubo」huo「baioubo」demiaoshu,zhideshichengxianbiancaidebeijingdeyanse,yibanlaishuo,yanseyueshendebeijingyuenengchentuochubiancaidemingliang,jiazhiyeyuegao。
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