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Table of contents. VII. Pitchstone Family. 1 Obsidian. Page 4. Pumice. Page 1. Translucent Obsidian, 270 1 Glassy Pumice, 285 2. Transparent Obsidian, 275 2. Common Pumice, 286 2. Pitchstone, - 276 S. Pcarlstone, - 281 3. Porphyritic Pumice, 288 VIII. Zeolite Family. 1. Prehnite. 3. Apopliyllite, - 312 1. Foliated Prehnite, 290 4. Cubicite, 317 2. Fibrous Prehnite, 295 5. Chabasite, 321 2. Zeolite. 6. Cross-stone, 324 1. Mealy Zeolite, 297 7. Laumonite, 328 2. Fibrous Zeolite. 8. Dipyre, 330 a. Common Fibrous Zeo 9. Natrolite, 332 lite, - 299 10. Wavellite, 334 b. Needle Zeolite, 301 5. Radiated Zeolite, 304 4. Foliated Zeolite, 807 ■ IX. Azurestone Family. 1. Azurestone - 337 3. Hauyne, 343 2. Azurite, - - 341 4. Biue-Spnr, 346 X. Felspar Family. 1. Andalusite, - 348 6. Spodumene, S83 2. Saussurite, - 331 7- Scapolite. 3. Chiastolite, - 353 1. Radiated Scapolite, 385 4. Indianite, - . 35G 2. Foliated Scapolite, 388 5. Felspar. 3. Compact Scapolite. 1. Adularia. a. Compact Green Sea- a. Adularia, - S38 polite, 391 b. Glassy Felspar, 368 b. Compact Red Sca- 2. Labrador Felspar, 365 v polite, 392 3. Common Felspar. 8. Rergmannitc, 393 c. Fresh Common Fel- 9. F.laolite, 391 s P ar » - 368 10. Sodalite, 396 I, Disintegrated Com 11. Meionite, 393 mon Felspar, 377 12. Nephelinc, 401 *• Compact Felspar, 379 13. Icc-spar, 403 XI. c .'lay
