Natural Gemstones by Geological Survey
Read now or download (free!)
| Choose how to read this book | Url | Size | ||||
|---|---|---|---|---|---|---|
| Read online (web) | https://www.gutenberg.org/ebooks/47999.html.images | 74 kB | ||||
| EPUB3 (E-readers incl. Send-to-Kindle) | https://www.gutenberg.org/ebooks/47999.epub3.images | 689 kB | ||||
| EPUB (older E-readers) | https://www.gutenberg.org/ebooks/47999.epub.images | 688 kB | ||||
| EPUB (no images, older E-readers) | https://www.gutenberg.org/ebooks/47999.epub.noimages | 87 kB | ||||
| Kindle | https://www.gutenberg.org/ebooks/47999.kf8.images | 729 kB | ||||
| older Kindles | https://www.gutenberg.org/ebooks/47999.kindle.images | 719 kB | ||||
| Plain Text UTF-8 | https://www.gutenberg.org/ebooks/47999.txt.utf-8 | 47 kB | ||||
| Download HTML (zip) | https://www.gutenberg.org/cache/epub/47999/pg47999-h.zip | 634 kB | ||||
| There may be more files related to this item. | ||||||
Similar Books
About this eBook
| Author | Geological Survey (U.S.) |
|---|---|
| Title | Natural Gemstones |
| Note | Reading ease score: 46.7 (College-level). Difficult to read. |
| Credits |
Produced by Stephen Hutcheson, Dave Morgan, Carol Spears and the Online Distributed Proofreading Team at http://www.pgdp.net |
| Summary | "Natural Gemstones" by Geological Survey is a scientific publication likely written in the late 20th century. The book provides an overview of natural gemstones, discussing their classification as precious or semiprecious, as well as the geologic environments in which they form. It serves as a comprehensive resource for collectors, hobbyists, and anyone interested in the identification and evaluation of gemstones. The content of the book spans various topics related to gemstones, including descriptions of different types of minerals, their formation processes, and specific properties such as hardness and specific gravity. It explains the various geological environments where gemstones are found, such as pegmatites and stream gravels, highlighting that these natural treasures are often rare and scattered. Additionally, the publication provides insights into organic gemstones, gemstone valuation, and tips for prospective buyers to navigate the market wisely, especially concerning synthetic gems. The book acts as an essential guide for amateur gemologists and collectors looking to deepen their understanding of the world of gemstones. (This is an automatically generated summary.) |
| Language | English |
| LoC Class | QE: Science: Geology |
| Subject | Precious stones -- United States |
| Subject | Precious stones -- Collection and preservation -- United States |
| Subject | Gems -- United States |
| Category | Text |
| EBook-No. | 47999 |
| Release Date | Jan 16, 2015 |
| Copyright Status | Public domain in the USA. |
| Downloads | 94 downloads in the last 30 days. |
| Project Gutenberg eBooks are always free! | |
