Natrual fadaka Yellow Garnet Yika 3.0mm
Alaye ọja:
Garnet, ti a npe ni ziyawu tabi ziyawu ni China atijọ, jẹ ẹgbẹ awọn ohun alumọni ti a ti lo bi awọn okuta iyebiye ati abrasives ni akoko idẹ.Garnet ti o wọpọ jẹ pupa.Garnet English "garnet" wa lati Latin "granatus" (ọkà), eyi ti o le wa lati "Punica granatum" (pomegranate).O jẹ ohun ọgbin pẹlu awọn irugbin pupa, ati apẹrẹ rẹ, iwọn ati awọ rẹ jẹ iru si diẹ ninu awọn kirisita garnet.
Awọn garnets ti o wọpọ jẹ tito si awọn oriṣi mẹfa ni ibamu si akojọpọ kemikali wọn, eyun, pyrope, almandine, spessartite, andradite, Grossular, ati awọn iyatọ jẹ tsavorite, Hessonite, ati uvarovite.Garnet fọọmu meji ri to ojutu jara: (1) pupa garnet iron aluminiomu garnet manganese aluminiomu garnet ati;(2) Calcium chromium garnet calcium aluminiomu garnet calcium iron garnet.Garnet ko ni iyatọ ite ni agbaye.Awọn ti a npe ni "A" jẹ iyatọ gẹgẹbi awọn iwo ti ara ẹni.Garnet kanna le sọ awọn nọmba oriṣiriṣi ni awọn ọwọ oriṣiriṣi.[1]
| Oruko | adayeba ofeefee Garnet |
| Ibi ti Oti | China |
| Gemstone Iru | Adayeba |
| Gemstone Awọ | ofeefee |
| Ohun elo Gemstone | garnet |
| Gemstone Apẹrẹ | Yika Brilliant Ge |
| Gemstone Iwon | 3.0mm |
| Gemstone iwuwo | Ni ibamu si awọn iwọn |
| Didara | A+ |
| Awọn apẹrẹ ti o wa | Yika/Square/Pear/Oval/Marquise apẹrẹ |
| Ohun elo | Ṣiṣe awọn ohun ọṣọ / aṣọ / pandent / oruka / aago / eti / ẹgba / ẹgba |
Awọn eroja akọkọ:
Apapọ kẹmika ti garnet jẹ idiju, ati pe awọn eroja oriṣiriṣi ṣe agbekalẹ awọn akojọpọ oriṣiriṣi, nitorinaa lẹsẹsẹ awọn idile garnet pẹlu iru sojurigindin ati aworan ni a ṣẹda.Awọn agbekalẹ gbogbogbo jẹ a3b2 (SiO4) 3, nibiti o jẹ aṣoju awọn eroja divalent ( kalisiomu, iṣuu magnẹsia, irin, manganese, bbl) ati B duro awọn eroja trivalent (aluminiomu, irin, chromium, titanium, vanadium, zirconium, bbl).Wọpọ jẹ garnet aluminiomu magnẹsia, eyiti o ni chromium ati awọn eroja irin ati pe o jẹ pupa ẹjẹ, pupa purplish ati maroon;Awọn keji ni irin aluminiomu garnet, eyi ti o jẹ purplish pupa.Kirisita pẹlu idagbasoke ifisi le fa ina irawọ onisẹpo mẹrin;Garnet magnẹsia iron garnet jẹ ina soke eleyi ti pupa, eyi ti o jẹ ọkan ninu awọn pataki orisirisi ti garnet gemstones;Calcium aluminiomu garnet ni itọpa vanadium ati awọn ions chromium, nitorinaa o pe ni oriṣi alawọ ewe oke-giga.
Nitori radius ti o jọra ti awọn cations trivalent, iyipada isomorphic rọrun lati waye laarin wọn.Divalent cations yatọ.Nitori CA ni rediosi ti o tobi ju mg, Fe ati pilasima Mn, o nira lati paarọ rẹ pẹlu isomorphism.Nitorinaa, garnet nigbagbogbo pin si jara meji:
(1) Aluminiomu jara: mg3al2 (SiO4) 3 － fe3al2 (SiO4) 3 － mn3al2 (SiO4) 3
O jẹ jara isomorphic ti o ni awọn cations divalent gẹgẹbi Mg, Fe ati Mn pẹlu rediosi kekere ati awọn cations trivalent gẹgẹbi al.Awọn orisirisi ti o wọpọ pẹlu iṣuu magnẹsia aluminiomu garnet, garnet aluminiomu irin ati manganese aluminiomu garnet.
(2) lẹsẹsẹ Calcium: ca3al2 (SiO4) 3 － Ca3Fe2 (SiO4) 3 － ca3cr2 (SiO4) 3
(3) O jẹ jara isomorphic ti o jẹ gaba lori nipasẹ divalent cation CA pẹlu rediosi nla.Awọn ti o wọpọ jẹ garnet calcium aluminiomu, garnet iron garnet ati calcium chromium garnet.Ni afikun, awọn lattice ti diẹ ninu awọn garnets tun ni asopọ pẹlu awọn ions OH lati ṣe agbekalẹ awọn ẹya-ara olomi, gẹgẹbi omi calcium aluminiomu garnet.Nitori aropo isomorphic lọpọlọpọ, akopọ kemikali ti garnet nigbagbogbo jẹ eka pupọ.Awọn tiwqn ti garnet ni iseda jẹ maa n awọn orilede ipinle ti isomorphic fidipo, ati nibẹ ni o wa diẹ garnets pẹlu opin egbe irinše.[2]
