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.
26 pages matching Hardness in this book
Results 1-3 of 26
What people are saying - Write a review
We haven't found any reviews in the usual places.
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 Common Color(s commonly encountered Conchoidal contact zone Corundum cracks Crystal System deposit Diagram diamond drill exhibited faceting feldspar ﬁeld trip ﬁnd ﬁnding ﬁrst ﬂow Fluorite fossils galena garnet gemstones Glassy Hexagonal Conchoidal Glassy Isometric Conchoidal gold grit guidebooks Halite Hardness heavy minerals Hexagonal Uneven identiﬁcation Isometric jasper jewelry lapidary light limestone look Luster malachite material metal detector metamorphic rock mica minerals Minerals Frequently Found mining molten Monoclinic necklace opal opaque Pearly pegmatites Photo polishing pyrite quartz regions rockhounds seams silver solder sometimes speciﬁc Specific Gravity specimens Splintery spot stone Streak surface tion tourmaline transparent Triclinic trim tumbling types U.S. Geological Survey Uneven Or Conchoidal usually Waxy wheel White Glassy Hexagonal White Glassy Isometric yellow