It takes the average reader 17 hours and 30 minutes to read Gems by Robert Webster
Assuming a reading speed of 250 words per minute. Learn more
Since it was first published in 1962 `Gems', written by Robert Webster and revised in its fourth edition by Basil Anderson, has become universally recognised as the most comprehensive and authoritative treatise on gem materials in the English language. In this fifth edition, edited by Peter Read, the forty chapters, appendices and tables have been revised by fifteen gemmologists chosen for their expertise in the relevant sections. Aimed at the professional jeweller and student gemmologist, Gems also caters for the collector of gems and the layperson who is interested in precious stones.
Gems by Robert Webster is 1,026 pages long, and a total of 262,656 words.
This makes it 346% the length of the average book. It also has 321% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 23 hours and 55 minutes to read Gems aloud.
Gems is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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