Kev tsim ntawm Agate feem ntau yog los ntawm deposition ntawm txheej ntawm silica filling voids nyob rau hauv volcanic vesicles los yog lwm yam kab noj hniav. Cov khaubncaws sab nraud povtseg hauv cov theem nrog qee cov txheej txheem tshiab muab cov xim hloov pauv.
Yuav siv sijhawm ntev npaum li cas rau agate tsim?
Agate yog ib tug laus heev (siv 50 lab xyoo los ua) thiab pob zeb dav uas muaj cov xim ntawm nws.
Agate ua los ntawm dab tsi?
Agate (/ˈæɡ. ət/) yog ib hom pob zeb tsim, suav nrog chalcedony thiab quartz ua nws cov khoom tseem ceeb, muaj ntau yam xim. Nws lub cim IMA yog Aga. Agates feem ntau tsim nyob rau hauv pob zeb volcanic thiab metamorphic.
pom agate nyob qhov twg?
Agate pom thoob plaws ntiaj teb. Hauv Tebchaws Meskas nws yog tsim nyob rau hauv ntau lub xeev sab hnub poob; Oregon, Washington, Idaho, thiab Montana yog qhov tseem ceeb ntawm pob zeb diamonds. Feem ntau cov agates tshwm sim hauv cov kab noj hniav hauv cov pob zeb tawg lossis cov lavas thaum ub.
Puas yog agate muaj txiaj ntsig?
Feem ntau cov agate pheej yig ($ 1 - $ 10), tab sis qee qhov yuav kim heev ($ 100 - $ 3000) nyob ntawm lawv hom, xim, thiab qhov chaw uas lawv pom. Tumbled agate tau txais txiaj ntsig ntau dua li cov agate nyoos thiab cov uas muaj cov xim zoo nkauj, nplua bands lossis pom nyob rau hauv ib qho chaw xwb kuj raug nqi ntau dua.