Agate yog opaque semi-precious pob zeb, cov khoom lag luam los ntawm cov uas nrov heev tsis ntev los no. Thiab nws tsis yog txog cov nqi. Cov xim zoo nkauj, tsis muaj qhov sib txawv yog qhov sib piv hauv nqe rau nyiaj lossis kub. Lub ntsiab lus yog cov txiaj ntsig zoo ntawm cov ntxhia hauv lub xeev ntawm tus ntsuj plig thiab lub cev ntawm tus neeg. Txij li lub sijhawm puag thaum ub, agate tau raug lees paub los ntawm cov tshuaj thiab cov puas hlwb uas pab tiv thaiv nws tus tswv ntawm lub qhov muag "kev phem", kom paub qhov tseeb ntawm kev dag.
Cov Lus Qhia
Kauj ruam 1
Ua tibzoo saib lub pob zeb. Lub ntsiab tseem ceeb ntawm agate yog nws cov qauv. Nws yog ib lub pob zeb-nyias-txheej, txhua txheej ntawm cov uas muaj cov xim sib txawv chalcedony. Agate kab txaij yog qee zaum pom tsis tshua pom, cov txheej yuav yog ntawm cov duab sib txawv. Muaj agates nrog cov ciaj ciam kom pom tseeb rau cov xim sib cais, thiab txawm tias muaj cov qauv sib txawv. Nyob ntawm qhov chaw ntawm txheej txheej, agates yog xov, tubular, toj roob hauv pes, thiab lwm yam.
Kauj ruam 2
Nqa pob zeb rau lub teeb ci. Cov laus yuav muaj ntau xim. Lawv tuaj yeem yog paj yeeb, xim av, daj, grey, xim dub. Kuj tseem muaj xiav thiab ntsuab agate, tab sis qhov no yog qhov tsawg heev. Agu translucent tsis tu ncua muaj lub suab xim grey-xiav nrog hloov ua ke dawb.
Kauj ruam 3
Ntawm cov agates muaj qhov txawv:
- carnelian - liab lossis liab-xim av agate;
- carnelians - agates ntawm ci liab, xim purer dua carnelian;
- sardis - translucent xim av lossis xim liab-xim av agates;
- onyx - agates nrog hloov xim av, yuav luag dub, thiab txheej dawb thiab daj;
- moss agates - translucent agates nrog sib xyaw ntawm ntau yam oxides, zoo ib yam li cov nyom lossis ntoo. Ua raws li hom oxide, kev koom ua ke tuaj yeem yog xim dub (manganese oxides), xim av (hlau oxides), ntsuab (chlorites lossis celadonites).
Kauj ruam 4
Yog li, peb tuaj yeem kos lub ntsiab lus. Tej chalcedony uas muaj fawm kib xim lossis qauv hauv cov qauv ntawm ntau cov kab txaij hu ua agate. Txawm li cas los xij, ntau tus kws muag nyiaj kub nyiam qhov lawv qhov gradation thiab hu lawv hauv lawv txoj kev!
Kauj ruam 5
Txhawm rau nrhiav agate ntawm lwm cov pob zeb thiab txiav txim siab txog nws cov txiaj ntsig, siv cov kev tshawb fawb hauv chav kuaj. Los ntawm nws cov muaj pes tsawg leeg, agate yog chalcedony - nplua-fibrous quartz koom nrog cov pab pawg ntawm quartz, chav kawm ntawm silicates, microcrystals ntawm uas tau elongated raws crystallographic axis. Agate yog cov khoom ntawm cov kev ua ntawm volcanic.
