Three Guides in One! Identification, Values, Lapidary UsesDesigned with beginners in mind, yet filled with valuable technical information for advanced collectors, Collecting Rocks, Gems and Minerals takes you from being just someone who appreciates rocks to a true "collector."Easy-to-use, quick reference format arranged by category and color of stoneCovers both lapidary and mineral display materialsProvides values and tips for locating, buying and collectingIncludes organics such as amber, bone, coral, pearl and shellLists chemical group, system, hardness, opacity, fracture, specific gravity and moreContains more than 650 full-color photosForeword by Johann Zenz, world renowned agate expert, author and lecturer
Collecting Rocks, Gems and Minerals
- 作者： Polk, Patti
- 出版社： Krause Pubns
- 出版日期： 2010-05-13
- ISBN碼： 9781440204159
- 編號： 203c109458975
$ 567 元
原價 630
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$567