Scratches From the Master Lap
This was written for the Lynchburg Gem and Mineral Society. It contains a wealth of information about faceting and especially the Graves faceting machine
50 Minute Read
This column was written for the Lynchburg Gem and Mineral Society. It contains a wealth of information about faceting and especially the Graves faceting machine.
I. Scratches from the Master Lap Dedicated to Bill and Joan Baltzley
This column will be devoted to ideas submitted by members who are stone cutters – from tumblers to faceters. If you have a problem or have solved a cutting problem and care to share your solution, this is your column – please submit your ideas to the editor or myself. The title for the column was suggested by a problem that had me stumped to the point of giving up faceting: it is the topic of the first article.
Observation:
I was just about at my wits’ end: I had to re-cut a pavilion of a large pink Afghanistan topaz a third time to eliminate scratches which seemed to show up for no reason. I replaced my Master Lap with other laps and polish compounds which worked for a while, then the “scratches from hell” returned, ruining my attempts at perfection. (Hence, the name of this series of articles Scratches from the Master Lap!)
Problem:
City water has sediments in it: sand filters…
David Woolley
Related Articles
Gem Rough Orientation: Looking Beyond the Obvious Cut
Labradorite Value and Marketing Issues
How to Polish Gems with Compact Discs
Tin, Corian, and Ceramic Lap Testing
Latest Articles
21 Pink Gemstones (How Many Do You Know?)
How Does Topaz Form?
Sphene (Titanite) Value, Price, and Jewelry Information
Citrine Buying Guide
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!