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Current Bid: £62.63
(1 Bids)
Ends: May 20, 01:14 pm
Buy It Now: £2.66
Ends: May 20, 08:29 pm
Current Bid: £113.00
(7 Bids)
Ends: May 21, 09:36 pm
Buy It Now: £34.17
Ends: May 24, 12:01 pm
Buy It Now: £14.43
Ends: May 25, 04:39 am
Buy It Now: £13.88
Ends: May 27, 04:29 pm
Current Bid: £11.01
(6 Bids)
Ends: May 27, 09:30 pm
Buy It Now: £44.98
Ends: May 28, 08:48 pm
Current Bid: £4.99
(1 Bids)
Ends: May 29, 10:44 am
spectroscope Buyer Guides
- Testing Gems, Equipment, Books, Courses - Equipment, Books,
and Courses for Testing Gems. The following courses, books and equipment are useful for testing gems. We give very approximate prices. Courses. GIA course on colored stones, followed by GIA... - Buyer's Guide Aquamarine - Aquamarine
Aquamarine is a member of the beryl family, as is emerald. Aqua is known for its blue or blue green coloring, which accounts for its name. The legends behind aquamarine all have to do with the sea... - Old Science Trading and Cigarette Cards (Collectibles) - Science Cigarette
Cards (Collectibles) I've been collecting and selling early trading cards, cigarette cards and related collectibles for over twenty years. Before you read this guide please subscribe to my... - How to identify gemstones in general? - 1. Check the
refractive index with a refractometor. 2. Check the property of light with a polariscope. 3. Check the inclusions to identify whether it is natural or synthetic with a 40X or 80X microscope. *... - How to identify a natural gemstone ? - How to identify a
natural gemstone?What are natural gemstones?A gem may be defined as a mineral, a naturally occurring, solid, crystalline inorganic substance,which is hard enough to take a high degree of...Â
