LAPIDARY ARTS and FACETERS DIGEST
Issue No. 149 - Tuesday June 17, 2003
Moderated by: Thurmond Moore III
Committed to carrying on the fine works of
Hale Sweeny and Jerry Dewbre
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From the Moderator:
Short list today. Lets keep those topics coming in.
Index to Today's Digest
01 RE: Help Needed with Fun Rock/Mineral Facts
02 RE: Help Needed with Fun Rock/Mineral Facts
Date: Mon, 16 Jun 2003 20:57:37 -0400
To: firstname.lastname@example.org (LapidaryArtsDigest)
From: "Jonathan L. Rolfe" <email@example.com>
At 05:30 PM 6/16/2003 -0500, you wrote:
> Most of the tin used to make tableware in the Roman Empire came from
> Cassiterite mines in Great Britain.
>But I need some help. Can you share some of the lore you have picked up
>and provide more fun facts I might be able to use?
AA and Neutron Activation analysis show trace elements like germanium,
tellurium, etc. in crudely refined metals. In this way, the exact mines
the Romans used can be determined. For example, the Trier Mint struck
coins from bronzes made from tin from Cornwall and copper from Eilat.
(Science and Archaeology, MIT Press.)
Some superphosphate fertilizers can contain traces of polonium. A careful
count of a bag of fertilizer can show this. The use of superphosphates on
tobacco crops has been given as one more carcinogen suspect in the product.
Subject: Re: Help Needed with Fun Rock/Mineral Facts
Date: Mon, 16 Jun 2003 22:50:32 -0500
To: LapidaryArtsDigest <firstname.lastname@example.org>
From: Downey <email@example.com>
> Subject: Help Needed with Fun Rock/Mineral Facts
> Date: Fri, 13 Jun 2003 22:22:23 -0400
> To: LapidaryArtsDigest <firstname.lastname@example.org>
> From: Kreigh Tomaszewski <Kreigh@Tomaszewski.net>
> But I need some help. Can you share some of the lore you have picked up
> and provide more fun facts I might be able to use?
Gold has been recycled so much that there are most likely several
molecules in your Mom's wedding ring from Napolean's and Cleopatra's
Mica was used for windows.
Most of the few natural ways fires can start in nature are caused by
rocks.(lava, meteoric strikes, sparks from talus slides, coal fires)
Rocks (along with sticks) were among the earliest tools used by man.
Crystals have the only true straight lines in nature.
There are fossil shells on top of Mt. Everest
Every electronic watch and every computer's clock keeps accurate time
because of a quartz xtal.
Besides being used as a weapon at the tip of arrows and spears, flint
was used as the 'trigger' in the guns our forefathers used in the
Diamonds are not really rare. Almost every woman owns several.
There are beaches where the sand 'sings' and 'barks' when you walk on it.
There are rocks in the desert (Death valley? Mojave? anyone?) that move
and have left a trail.
Natural pearls begin in the oyster as an irritating grain of sand.
Challenge the kids to look around the room. If it didn't grow (from an
animal or plant) it came from a mine (or well).
1 Lucky Texan
RESOURCES FOR LAPIDARIES:
PERSONALS: (General Lapidary and Faceting)
Lurking is fine, but participation is better for learning !
Post something from your experiences in gemcutting today!
TODAY'S FUNNY ~
A local policeman had just finished his shift one cold November
evening and was at home with his wife. "You just won't believe what
happened this evening. In all my years on the force I've never seen
anything like it!"
"I came across two guys down by the canal, one of them was drinking
battery acid and the other was eating fireworks."
"Drinking battery acid and eating fireworks!! What did you do with
"I charged one and let the other off."
REFLECTIONS AND TIDBITS:
Vision: the art of seeing things invisible.
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