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Field Collecting Gemstones and Minerals -- John Sinkankas
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Care Guide
Explore the natural world with this timeless field guide by John Sinkankas, a renowned expert in gemology and mineralogy. Field Collecting Gemstones and Minerals offers practical tips for identifying, locating, and collecting a wide range of gemstones and mineral specimens in the field. A perfect companion for beginners and experienced rockhounds alike. 📘 Author: John Sinkankas 📆 Original Publication: 1967 📖 Format: Paperback 📚 Publisher: Van Nostrand Reinhold Company (Check inside for exact edition) 📏 Pages: Approx. 200 (varies by edition) Condition: Gently used with clean pages and tight binding. Cover has light wear consistent with shelf use. No markings inside. Perfect for: 🔹 Rockhounds and amateur geologists 🔹 Lapidary hobbyists 🔹 Nature and science lovers 🔹 Vintage book collectors 🔍 Ships quickly and securely with tracking.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.