The rockhound's handbook
Learn about rock and mineral formation, tools, identification, finding minerals in the field, legal aspects, preparation and preservation, cutting and polishing, and making jewelry from your finds. Numerous illustrations and B/W photos.
29 pages matching chalcedony in this book
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Northwest States: Where and How to Dig, Pan, and Mine Your Own Gems Minerals
Kathy J. Rygle,Stephen F. Pedersen
No preview available - 2008
2.7 White Glassy acid agate areas Azurite barite beads Beryl bezel blue cabochon calcite cavity chalcedony Chapter Chrysocolla clean Clues For Identiﬁcation collecting collectors color Colorless Glassy Common Color(s Conchoidal contact zone Corundum cracks Crystal System deposit Diagram diamond difﬁcult drill faceting feldspar ﬁeld trip ﬁlled ﬁnd ﬁnding ﬁne ﬁner ﬁrst ﬂat ﬂow Fluorite fossils galena garnet gemstones Glassy Hexagonal Conchoidal Glassy Isometric Conchoidal gold grit guidebooks Halite Hardness heavy minerals Hexagonal Uneven hydrothermal igneous Isometric jewelry lapidary look malachite material metal detector metamorphic rock mica minerals Minerals Frequently Found mining molten Monoclinic opal opaque Pearly Monoclinic pegmatites Photo polishing pyrite quartz reﬂected regions rockhounds seams silver solder Speciﬁc Gravity specimens Splintery spot stone Streak surface tion tourmaline transparent Triclinic trim types U.S. Geological Survey Uneven or Conchoidal usually veins Waxy wheel White Glassy Hexagonal White Glassy Isometric yellow