Gemstones and their distinctive Characters
By Frederik Herbert Smith
Length8h 18m
About this audiobook
Excerpt: "It has been my endeavour to provide in this book a concise, yet sufficiently complete, account of the physical characters of the mineral species which find service in jewellery, and of the methods available for determining their principal physical constants to enable a reader, even if previously unacquainted with the subject, to have at hand all the information requisite for the sure identification of any cut stone which may be met with. For several reasons I have dealt somewhat more fully with the branches of science closely connected with the properties of crystallised matter than has been customary hitherto in even the most comprehensive books on precious stones. Recent years have witnessed many changes in the jewellery world. Gem-stones are no longer entirely drawn from a few well-marked mineral species, which are, on the whole, easily distinguishable from one another, and it becomes increasingly difficult for even the most experienced eye to recognise a cut stone with unerring certainty. So long as the only confusion lay between precious stones and paste imitations an ordinary file was the solitary piece of apparatus required by the jeweller, but now recourse must be had to more discriminative tests, such as the refractive index or the specific gravity, the determination of which calls for a little knowledge and skill. Concurrently, a keener interest is being taken in the scientific aspect of gem-stones by the public at large, who are attracted to them mainly by aesthetic considerations."
Audiobook details
Rating★★★★ 4.3 (40)
Includes LibraryThing, Goodreads, Amazon
GenreOther
Length8 hrs 18 mins
Narrated byListen with 1,000+ voices
FormateBook with Audio
Publish dateMar 6, 2020
LanguageEnglish
Table of contents
1Gemstones
26CHAPTER XXV
2CHAPTER I
27CHAPTER XXVI
3CHAPTER II
28CHAPTER XXVII
4CHAPTER III
29CHAPTER XXVIII
5CHAPTER IV
30CHAPTER XXIX
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6CHAPTER V
31CHAPTER XXX
7CHAPTER VI
32CHAPTER XXXI
8CHAPTER VII
33CHAPTER XXXII
9CHAPTER VIII
34CHAPTER XXXIII
10CHAPTER IX
35CHAPTER XXXIV
11CHAPTER X
36CHAPTER XXXV
12CHAPTER XI
37CHAPTER XXXVI
13CHAPTER XII
38CHAPTER XXXVII
14CHAPTER XIII
39CHAPTER XXXVIII
15CHAPTER XIV
40CHAPTER XXXIX
16CHAPTER XV
41CHAPTER XL
17CHAPTER XVI
42TABLE I
18CHAPTER XVII
43TABLE II
19CHAPTER XVIII
44TABLE III
20CHAPTER XIX
45TABLE IV
21CHAPTER XX
46TABLE V
22CHAPTER XXI
47TABLE VI
23CHAPTER XXII
48TABLE VII
24CHAPTER XXIII
49TABLE VIII
25CHAPTER XXIV
50TABLE IX.—Data
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