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kordieriti<br />

kordieriti mesame klasis Zvirfasi qvaa. saxelwodeba<br />

miiRo frangi geologisp. kordies pativsacemad. Zvirfasi<br />

qva cnobilia sxva saxelwodebiTac – ioliti (berZnulad<br />

iisferi), diqroiti – mkveTrad gamoxatuli diqroizmis<br />

gamo. Sri-lankaSi namdvili safironisgan gasarCevad<br />

kordieritis Ria lurj nimuSebs wylian safirons<br />

uwodeben.<br />

kordieriti aluminis, magniumisa da rkinis rTuli<br />

alumosilikatia, struqturiT emsgavseba berils. qimiuri<br />

2<br />

Mg,<br />

Fe Al AlSi O , aqedan MgO –<br />

Sedgeniloba - <br />

2<br />

Seadgens 13.68%-s, Al2O3 -34.9%, SiO2 -51.38%-s. aqvs minarevebi:<br />

MnO -2%-mde, Fe 2O3<br />

(1-1.5%), zogjer BeO (1-<br />

1.5%), CaO, Na2 O,<br />

K2O,<br />

H2O<br />

. kristaldeba rombul singoniaSi,<br />

kristalebs aqvs mokle prizmuli, bipiramiduli<br />

habitusi. gvxvdeba agreTve qanebSi CanarTi marcvlebis,<br />

mTliani da mkvrivi masebis, uweso grovebis, qviSrobebSi<br />

mkrTali feris damrgvalebuli marcvlebisa da romboedruli<br />

kenWebis saxiT. igi ufero, mowiTalo, sxvadasxva<br />

elferis lurji da iisferi, moyviTalo-TeTri da mura<br />

2<br />

3<br />

ferisaa. feri damokidebulia Fe da Fe monawileobaze<br />

struqturaSi. gamWvirvalea Suqgamtaramde; minerali<br />

diqroulia. Zlieria pleoqroizmi. elvareba –minisebri,<br />

simagre – 7-7.5.<br />

iyeneben saiuveliro saqmeebSi.<br />

gvxvdeba gneisebSi, kristalur fiqlebSi, Secvlil<br />

magmur qanebSi. tipuri metamorfuli mineralia.<br />

kordieriti saqarTveloSi gvxvdeba yelis zeganze da<br />

Zirulis kristalur fiqlebSi.<br />

3<br />

107<br />

5<br />

18

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