• $12.99

Publisher Description

Explore the natural wonder of one of the most important petrological discoveries of the last 20 years, the spectacular Ocean Jasper or “Spherulitic Chalcedony” of Madagascar. Coveted by collectors, lapidaries and the jewelry market, this amazing material has become exceedingly rare as large-scale high grade specimens, and remains a geological mystery to petrologists. Find out why conservation efforts are important to preserve remaining large-scale specimens for classification and research studies. Includes full color images of many beautiful specimens.

GENRE
Science & Nature
RELEASED
2019
October 27
LANGUAGE
EN
English
LENGTH
18
Pages
PUBLISHER
Susanne Lomatch
SELLER
Susanne Lomatch
SIZE
8
MB