Litaemane esale li ratoa ke batho ba bangata, hangata batho ba reka litaemane e le limpho tsa matsatsi a phomolo bakeng sa bona kapa ba bang, hammoho le bakeng sa litlhahiso tsa manyalo, joalo-joalo, empa ho na le mefuta e mengata ea litaemane, theko ha e tšoane, pele u reka taemane. , o hloka ho utloisisa mefuta ea litaemane.
Pele, ho ea ka ho thehoa ha karohano
1. Litaemane tse entsoeng ka tlhaho
Litaemane tse theko e boima ka ho fetisisa 'marakeng hangata li thehoa ke crystallization ka nako e telele tikolohong ea mocheso o phahameng ka ho fetisisa le khatello (hangata e haelloang ke oksijene),' me litaemane tsa khale ka ho fetisisa tse fumanoang ke lilemo tse limilione tse likete tse 4,5.Taemane ea mofuta ona e batla e phahame ka boleng hobane e fumaneha seoelo.
2. Litaemane tsa Maiketsetso
Ka nts'etsopele ea mahlale le thekenoloji, ho na le litaemane tse ngata tsa maiketsetso 'marakeng,' me batho ba bangata ba ka etsa litaemane tsa maiketsetso ka khalase, spinel, zircon, strontium titanate le lisebelisoa tse ling, 'me boleng ba litaemane tse joalo ka kakaretso bo tlaase.Empa ke habohlokoa ho hlokomela hore tse ling tsa litaemane tsena tsa maiketsetso li shebahala li le betere ho feta litaemane tse entsoeng ka tlhaho.
Ea bobeli, ho ea ka sehlopha sa daemane 4C
1. Boima ba 'mele
Ho ea ka boima ba daemane, ha daemane e le boima haholo, taemane ea bohlokoa le ho feta.Karolo e sebelisetsoang ho lekanya boima ba daemane ke carat (ct), 'me carat e le' ngoe e lekana le ligrama tse peli.Seo re tloaetseng ho se bitsa lintlha tse 10 le lintlha tse 30 ke hore 1 carat e arotsoe likarolo tse 100, e 'ngoe le e' ngoe e le ntlha e le 'ngoe, ke hore, lintlha tse 10 ke 0.1 carats, lintlha tse 30 ke 0.3 carats, joalo-joalo.
2. Mmala
Litaemane li arotsoe ka mebala, e bolelang botebo ba 'mala ho e-na le mofuta oa' mala o ka tlaase.Ho ea ka botebo ba 'mala oa daemane ho fumana mofuta oa daemane, ha daemane e le haufi le ho se mebala, e bokellana haholoanyane.Ho tloha ho litaemane tsa sehlopha sa D ho ea ho li-taemane tsa sehlopha sa Z li ntse li fifala le ho feta, DF ha e na mebala, GJ e batla e se na 'mala, 'me litaemane tsa K-grade li lahleheloa ke boleng ba tsona bo ka bokelloang.
3. Ho hlaka
Litaemane li arotsoe ka ho hlaka, e leng hore na taemane e hloekile hakae.Ho hloeka ha daemane ho ka bonoa tlas'a microscope ea makhetlo a leshome, 'me ha ho ntse ho totobetse ho feta kapa ho feta liphoso, li-scratches, joalo-joalo, boleng bo tlaase,' me ka tsela e fapaneng.Ho ea ka ho hlaka ha litaemane tse kholo li arotsoe ka mefuta e 6, ka ho latellana FL, IF, VVS, VS, S, I.
4. Khaola
Arola daemane ho tloha ho sehiloeng, ho ntlafatsa ho khaola, ho feta taemane e ka bonahatsa leseli ho finyella tekanyo e phethahetseng.Libopeho tse tloaelehileng haholo tsa taemane ke pelo, sekoere, oval, chitja le mosamo.Tabeng ena, litaemane li arotsoe ka mefuta e mehlano: EX, VG, G, FAIR le POOR.
Ea boraro, ho ea ka karohano ea mebala ea daemane
1, Taemane e se nang mebala
Litaemane tse se nang mebala li bua ka mofuta oa litaemane tse se nang 'mala, tse batlang li se na 'mala kapa tse nang le leselinyana la litaemane tse mosehla o bobebe,' me sehlopha sa litaemane tse se nang mebala ke tse boletsoeng ka holimo ho latela botebo ba 'mala ho arola.
2. Litaemane tse mebala-bala
Lebaka la ho thehoa ha litaemane tse mebala-bala ke hore liphetoho tse poteletseng ka hare ho daemane li lebisa 'mala oa daemane,' me ho ea ka 'mala o fapaneng oa daemane, daemane e arotsoe ka mefuta e mehlano.Ho ea ka theko, e arotsoe ka litaemane tse khubelu, litaemane tse putsoa, litaemane tse tala, litaemane tse mosehla le litaemane tse ntšo (ntle le litaemane tse khethehileng).
Nako ea poso: May-16-2024