Completed chapters are marked in this color.

Assigned chapters are marked in this color.

16 of 16 (100%) sections assigned

16 of 16 (100%) sections completed

This project has a dedicated proof-listener who will listen to all sections: craigdav1

SectionTitleReaderNotesListen UrlStatus
0 Preface  boojumuk PL OK
1 Chapter 1: Introductory  boojumuk PL OK
2 Chapter 2: The Origin of Precious Stones  boojumuk PL OK
3 Chapter 3: Physical Properties. A - Crystalline Structure  boojumuk PL OK
4 Chapter 4: Physical Properties. B - Cleavage  boojumuk PL OK
5 Chapter 5: Physical Properties. C - Light  boojumuk PL OK
6 Chapter 6: Physical Properties. D - Colour  boojumuk PL OK
7 Chapter 7: Physical Properties. E - Hardness  boojumuk PL OK
8 Chapter 8: Physical Properties. F - Specific Gravity  boojumuk PL OK
9 Chapter 9: Physical Properties. G - Heat  boojumuk PL OK
10 Chapter 10: Physical Properties. H - Magnetic and Electric Influences  boojumuk PL OK
11 Chapter 11: The Cutting of Precious Stones  boojumuk PL OK
12 Chapter 12: Imitations, and some of the Tests, of Precious Stones  boojumuk PL OK
13 Chapter 13: Various Precious Stones  boojumuk PL OK
14 Chapter 14: Various Precious Stones, continued  boojumuk PL OK
15 Chapter 15: Various Precious Stones, continued  boojumuk PL OK