It takes the average reader 3 hours and 30 minutes to read Optical Determination of Rock-forming Minerals: Determinative tables by Walter Ehrenreich Tröger
Assuming a reading speed of 250 words per minute. Learn more
Optical Determination of Rock-forming Minerals: Determinative tables by Walter Ehrenreich Tröger is 206 pages long, and a total of 52,736 words.
This makes it 70% the length of the average book. It also has 64% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 4 hours and 48 minutes to read Optical Determination of Rock-forming Minerals: Determinative tables aloud.
Optical Determination of Rock-forming Minerals: Determinative tables 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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