Madagascar

The Treasure Island for Mineralogists and Collectors

The Red Island Madagascar is the fourth largest island in the world. Incredible riches of minerals and gemstones are distributed over the entire island. Madagascar developed out of active tectonic history with countless episodes of mineralization.

In this monograph Federico Pezzotta, a Madagascar specialist and curator at the Natural History Museum of Milan, reports on the origins, distribution and production of the minerals and gemstones of Madagascar. He guides the reader through the island's remote localities and sources of some of the "world's best" for numerous mineral species.

Content

Ores, Gold and Gemstones

The history of the search for minerals and gemstones in Madagascar

The Mineralogy of Madagascar

Literature, tradition and collections, a review of sources

Over 3.5 Billion Years Old

Rocks and ores in Madagascar, a geologic overview; Gold from the oldest volcanoes; The Pan-African event, gemstones, ores and alpine veins; Karoo sediments; Sapphire from ancient volcanoes; The "Red Island"

Finds in Basic Skarns

The Bongolava shear zone; Giant crystals from skarns; The Betroka-Beraketa belt; Itrongay; Urano-thorianite, sapphire and zircons skarns

Rich Pegmatites

Formation; A new classification of Malagasy pegmatites; Great districts of Madagascar; Rhodizite, londonite and the Antsongombato Gem Mine

Alpine Veins

The Vohemar region; The titanite pocket of February 1998; The future of alpine veins in Madagascar

Amethyst and Other Quartz

Amethyst, smoky quartz and citrine, scepters, pineapples and fantastic inclusions

Celestite, Sapphire and Fossils

Treasures from Paleozoic and Mesozoic sediments

Quick Information

Title:	extraLapis English No. 1: Madagascar
Publisher:	Lapis International LLC
Editors:	Dr. Miranda D. Jarnot, Dr. Günther A. Neumeier, Dr. William B. Simmons, Gloria A. Staebler
ISBN:	0-9715371-0-0
Cover:	Paperback
Pages:	98 pages
Size:	29.5 × 21 cm
Published:	2001
Order ID.:	ZEE-001

Madagascar

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