John Koivula

3 books

Geologica: Earth's Dynamic Forces by John Koivula, Robert R. Coenraads

Geologica: Earth's Dynamic Forces

John Koivula, Robert R. Coenraads

580 pages • first pub 2007 (editions)

nonfiction reference science informative medium-paced
Photoatlas of Inclusions in Gemstones Volume 1 by John Koivula, Eduard Josef Gübelin
Photoatlas of Inclusions in Gemstones Volume 1
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John Koivula, Eduard Josef Gübelin

Photoatlas of Inclusions in Gemstones Volume 1

John Koivula, Eduard Josef Gübelin

532 pages • first pub 1986 (editions)

nonfiction informative lighthearted medium-paced
Geologica by John Koivula, Robert R. Coenraads

Geologica

John Koivula, Robert R. Coenraads

576 pages • first pub 2007 (editions)

nonfiction reference challenging informative medium-paced