V₂O₅ content

(mole %)

PbO content (mole %)

GeO₂ content

(mole %)

T_g

(˚C)

T_c

(˚C)

T_m

(˚C)

K_g

D

(g/cm³)

V_m (cm³/mol)

50

50

0

241

300,412

500

0.156

5.075

-

50

45

5

267

327,397,420

494

0.207

4.176

47.079

50

40

10

265

325,394,419

492

0.307

4.152

45.923

50

35

15

254

295,308,388

490

0.123

4.137

44.656