Rock & Gem - November 2015
English | 84 pages | PDF | 23.2 mb
Features
THe 2016 AGATe expO
Idar-Oberstein in Focus 12
It has over 700 years of agate history. by Johann Zenz
Idar-Oberstein Agates 16
Banded beauties from a classic German source by Doug Moore
Alexandrite: Chrysoberyl’s Royal Gem 24
Beryllium aluminum oxide with a color change by Bob Jones
Russian Folklife in Stone 30
the remarkable gem carvings of vasily Konovalenko by Steve Voynick
Rock & Gem Kids 42
Articles and puzzles
Datolite 46
A many-faced boron mineral by Bob Jones
Cabbing the “Uncabbable” 50
the “opticon fix” for fractured lapidary slabs by Jim Brace-Thompson
Lamps of enchantment 58
Setting the mineral kingdom aglow by Kevin Vincent Kelly
Nevada’s Berlin-Ichthyosaur State park 64
A historical mining and fossil attraction by Jordan D. Marché II
Regular Columns
Field Notes ................................ 6
Lapidary of the Month ......... 8
Show Dates ..............................10
Bench Tips ................................28
Rock Science ...........................36
picks & pans .............................70
On the Rocks ...........................80
parting Shot.............................82
