31 $ 
^ ) O ( ^ 
CRYSTALLI 
LAPIDOSAE. 
{in Tabulis adieSis i, 2, 3.) 
Lntera. Plana. 
1. Figm-a ig-edrum : Reftangulis 6. Trigonis 12- 
longitudinalibus. 
2. Ig-edrum: Reftangulis 6. Trigonis 12. 
transuerjis. 
3' I2-edrum: Reftangulis o. Trigonis 12. 
columna o. 
4. Ig-edrum: Reftangulis 6. Trigonis 12. 
2 oppojitts latis. 2 oppojitis truncatis, 
5 ' * g-edrum: Reftangulis 6. Hexagonis 2- 
aequalibus. 
6. 8-edrum: Reftangulis 6. Hexagonis 2. 
alternis angujlis, 
7. g-edrum: Pentagonis 4. Reftangulfs 4. 
alternatis.' alternatis, 
8- lO-edrum: Pentagonis 4. Rhomboid, 4. Trapetziis 2. 
9- 14-edrum; Reftangulis 6- Trigonis 4. Trapetziis 4. 
2 oppiif. angujlis. priori alternis, 
10. i2-edrum; Pentagonis 6. Pentagonis 6. 
alternis angujlis. aequalibus. 
11. I2-edrum: Pentagonis 6. Pentagonis 6. 
aequalibus. aequalibus. 
12 . — — 14 edrum : Pentagonis 6. Trapetziis 6. Trigonis 2 , 
13. I2-edrum; Trigonis 6. Pentagonis 6 - 
alternatis. 
14. l2-edrufn: Pentagonis 4. Trapetziis g. 
15. lo-edrum : Hexagonis 2. Trapetziis 4. Pentagonis 4. 
16. 14-edrum: Tetragonis 6. Trapetziis g. 
2 difei. 
17. lO-edrum : Rhombis 2. Trapetziis g, 
magnis. 
Ig. ig edrum; Tetragonis 6. Hexagonis 12. 
19. 6-edtum: Tetragonis 6. 
aequalibus. 
20. 14-edrum: Hexagonis 6- Trigonis g. 
O 
21 . 
Cryftalli faepe fitu, inclinatione, approximatione, compvefTione ete, de- 
formantur , bine ne varietas loco f^eciei alTumatur, cauendum. 
