Joined: Wed Jan 23, 2013 5:29 pm Posts: 1047 Location: Paris
I bought this specimen recently. Never seen anything greener ! And quite clean. I was skeptical at first, thinking "treated amber". Then I found links on the internet, such as : https://www.marcusmccallum.com/2017/05/ ... em-ketema/ So it looks like it is the real thing. Plus, several pieces I watched had pretty bugs as inclusions. A delight of amber ! So far, the green color seems to remain unexplained. Or did I miss something ?
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Joined: Wed Jan 23, 2013 5:29 pm Posts: 1047 Location: Paris
Yeah I saw a faceted piece too, and would never have guessed at first sight that it was amber. Big, clear, bright, and a very pleasant peridot-like color. I nearly bought it (it was quite expensive) but then I wondered how it might evolve with time, and I preferred to stay away for now.
Joined: Sun Aug 21, 2016 7:39 am Posts: 228 Location: Long Island NY, USA
Can the green color somehow be sap related?or are all Amber of gem quality produced by the same type of tree/sap? Can the color be related to other environmental factors or pollution? Guess I'm wondering if, for example, the accident at Chernobyl may have in any way affected the Baltic Amber found by the sea . Also: is all Amber "electric" when rubbed with specific cloth, like fur?
Joined: Wed Jan 23, 2013 5:29 pm Posts: 1047 Location: Paris
Tygurrr-I wrote:
Also: is all Amber "electric" when rubbed with specific cloth, like fur?
I think so. The very word "electric" deriving from the ancient greek word "elektrum" which was then the name for amber. It is an intrinseque property of this material, and known since Antiquity.
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
I remember doing a demonstration years back rubbing amber with wool and having it attract small bits of paper. Then I took a plastic comb with a faux tortoise shell look and rubbed it with the same wool. It picked up all the paper bits too. Total fail
Not a total fail at all, just a demonstration that plastic has similar electrical properties to amber. Generating static electricity by rubbing on wool or silk doesn't segregate amber from all other high resistance materials.
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