‘‘Hulart, 
^^^'amidak. 
^''Hculare. 
-EARTHS. CALCAREOUS. 25. Gypfum. 105 
Pellucid, white, (hining, lamellar with ftraight foliations, 
breaking into rhomboidal fragments, cubic. 
1. With two angles truncate. 
Natruni pyritiforme. nat. xii. 3, f. 91. n, 10, 
Gmel. /yst,nat, 3. 447 " ^ 9 ‘ 
2. With four angles truncate. 
Natrum angul. trunc. Spt. war. xii. 3. 11. 9. b, 
Gmel.fyst, nat. 3. f.a^lfo.tab. \ 16. 
Found in various parts of Germany: 1) containing 10 leffer 
trapeziums, and z larger pentagons : 2) with 8 trapeziums, 
4 rhombs, and z ft^uares. 
Pellucid, white, (hining, in 4-(lded prifms, breaking into 
rhomboidal fragments, lamellar with ftraight foli- 
ations, 
Spathum columnare. Gerh. Bepr. z. miner. p.2jz. 
Found capillary, near Freyen’uialde. 
Pellucid, white, (hining, in 6-fidcd prifms, breaking into 
rhomboidal fragments, lamellar with ftraight foli- 
ations. 
1. With the prifms truncate, 
2. With the terminal faces ending in a point. 
Natrum flexile. Sysf. nat, xii, 3. /. 90* »• 7 * 
Cryftallus fclenitica. Amaen. acad. i. p. 476. n. 2. 
Cmel, Jyst. nat. 3 . ^.446. tab. I . fig. 1 5 • 
3. With the terminal faces ending in a 3-flded pyramid. 
Natrum bafaltinum. &yj}. nat. xii. 3. p. 87* n. 9. 
4. With the terminal faces ending in a 4.fided pyramid. 
Karjien Lejke mineral. I . />. 29 1 . 
Found in Germany, Audria, Snvitxerland, Saxony, and Various 
parts of Europe, generally accompanying the G. glacialis and 
fpecularis: the cryftals large, or moderate, fometimes capil- 
lary, often with 2 of the faces fmooth and the reft of the 
prifm longitudinally llriate, fometimes in pairs, or aggregate 
in a llellats manner. 
White, ftiining, pellucid, breaking into rhomboidal frag,- 
ments, in 3-ftded pyramids, lamellar with ftraight fo- 
liations. 
Born, ind.fofs. 2. p. 85. 
Found in the canals, through which the 
of Upper- Audria have been conducted. 
fait waters of the lakes 
White, (hining, pellucid, breaking into rhomboidal frag- 
ments, lenticular, lamellar, with ftraight foliations. 
VOL. VIL — O 
