How long does it take to read Eyewitness Crystal & Gem?
R. F. Symes, R. Harding, DK Publishing
Eyewitness Crystal & Gem by R. F. Symes, R. Harding, DK Publishing takes about 1 hour 19 minutes to read at 250 words a minute.
About 1 hour 19 minutes
An evening's read
First published 1991. 72 pages, about 19,800 words. Written for children.
3 days at 30 minutes a day
Estimate based on 275 words per page.
At other speeds
| Slow, 150 words a minute | 2 hours 12 minutes |
| Average, 250 words a minute | 1 hour 19 minutes |
| Fast, 400 words a minute | 50 minutes |
The page count is the median across 22 editions, so your copy may differ. How we calculate.
About the book
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
Subjects: Crystallography, Crystals, Precious stones, Nature - General, Science & Nature - Rocks & Minerals, Juvenile Nonfiction
