Keyword: pseudomorph

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Image for Beautiful Australian Opals

Beautiful Australian Opals

By: Len Cram

Price: $35.00

Publisher: Buranda, Qld, Australia, Robert Brown & Associates: 1990

Edition: 1st Edition

Inscription: Signed by Author(s)

Seller ID: 000059

ISBN: 1862730326

Condition: Very Good


Beautifully illustrated publication emphasizing precious opals from Lightning Ridge and Queensland (boulder opal). Has a nice section on assembled stones (doublets and triplets) and also discusses color patterns, history and pseudomorphs. 4 color postcards are attached in the back 24 pages. View more info

Image for Skip An Atom Agates: The Most Unusual Lake Superior Agate

Skip An Atom Agates: The Most Unusual Lake Superior Agate

By: Jack Hobart

Price: $25.00

Publisher: California, Jack Hobart Books: 2016

Edition: 1st Edition

Inscription: No Signature

Seller ID: 000046

ISBN: 1944564047

Condition: New


This book discusses an unusual Lake Superior agates found along the North Shore of Minnesota near Flood Bay. Most seem to be replacements (pseudomorphs) of calcite and aragonite by quartz. With 276 photographs, this publication is extremely useful to identify and show the diversity of these unusual agates. View more info