E.a. - Rocks & Minerals 1

• A compact illustrated guide to the periodic table • Includes illustrations and the chemical symbol for each element • Explains the structure, uses and history of each element 続きを見る

“The Witching Stones draws from rich veins of geological and occult history, expertly carving that knowledge into practical, powerful magick for today’s practitioner.” ーMat Auryn, author of Psychic……続きを見る

Features 60 outstanding rockhounding sites Emphasizes rockhounding basics, sustainable collecting, and Leave No Trace principles Each location features an overview of the area’s geologic history al……続きを見る

With tipping points and extreme global warming looming, the key to understanding our climate future lies in our distant past "If you care at all about our future, you must read Runaway Climate*."* ……続きを見る

New to rockhounding or ready to ramp up your skills? This contemporary guide to rock collecting goes beyond the “where and how” to include info on environmental impact, land stewardship, and buildin……続きを見る

A Bahia se destaca nacionalmente na produção de gemas naturais, com produção de qualidade reconhecida internacionalmente. O quartzo é um dos minerais mais abundantes na Terra. É utilizado em grande ……続きを見る

The two most fascinating questions about extraterrestrial life are where it is found and what it is like. In particular, from our Earth-based vantage point, we are keen to know where the closest lif……続きを見る

Unearth the treasures from the prehistoric world beneath your feet. From glittering ammonites to razor-sharp dinosaur claws and delicate leaf impressions, uncover our world's primeval past through t……続きを見る

Popular Gemmology constitutes a definitive guide on many aspects of gemmology, covering a wide range of natural and manufactured gems, their taxonomy, and the methods in which they are machined. The……続きを見る

Plant remains can preserve a critical part of history of life on Earth. While telling the fascinating evolutionary story of plants and vegetation across the last 500 million years, this book also cr……続きを見る

How Can You Find the Best Sea Glass Anywhere You Travel? Sea glass beaches are often a closely guarded secret. How often have you been this close to a great sea glass beach and not even known it? Do……続きを見る

Drive through the South Australian outback – and journey back in time. South Australia is one of the most ancient landscapes in the world, but there has never been a handbook-sized guide to its geol……続きを見る

Dans "Une ascension au Mont-Blanc et études scientifiques sur cette montagne", Jean Falconnet propose un récit aussi captivant qu'informatif de son ascension mythique, enrichi de réflexions scientif……続きを見る

A Fact-Based Introduction to Crystal Healing Whether you’re new to the practice of crystal healing or have a level of experience with it, chances are you have questions: What works? What doesn’t? Ho……続きを見る

This edition features • illustrations • a linked Table of Contents and Index CONTENTS Table of clay rocks I Introduction. The chemical and physical properties of clays II Clay and associated rocks I……続きを見る

Fossils are essential to the reconstruction of the evolution of life and episodes in Earth history. Knowledge of biomineralization - the processes associated with the formation of mineralized biolog……続きを見る

Explore the art and craft of gemstone faceting with this fascinating historical article by Richard M. Pearl. Faceted Gems provides a historical overview of faceting techniques and lapidary tools, dr……続きを見る