LAPIDARY ARTS and FACETERS DIGEST
Issue No. 217 - Wednesday, October 1, 2003
Moderated by: Thurmond Moore III
Committed to carrying on the fine works of
Hale Sweeny and Jerry Dewbre
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Index to Today's Digest
01 RE: Cutting Ovals !
02 RE: Tazmanite aka Tashmarine
03 NEW: Meteors in the news.
Subject: L/W for ovals?
Date: Tue, 30 Sep 2003 11:52:54 -0400
To: Lapidary arts and faceters digest <email@example.com>
From: Dan Clayton <firstname.lastname@example.org>
Peter made a comment about L/W for ovals.
I usually only cut an oval if it is the best fit for a
particular stone. If you don't like ovals it is
unfortunate that so much rough seems to be
a natural for some oval design. BTW I think much
of the justification for new and existing designs is
to make the design fit a piece of rough.
I tend to only cut my own designs but the principles
are the same to choose any design for an oval. If
it seems that an oval is the best shape for a stone
what is the L/W ratio? How dark is the rough? How
is the color? Zoned? dichroic? closed C axis?
All other things being equal I search for good designs
that are very similar to the L/W of the rough after
preforming. If I don't have one I will probably do a
new design unless the rough is not worth the effort.
At about 1.20 and higher L/W ratio I start looking
mostly for OMNI, Breakpoint, Barion or similar type
ovals to eliminate the "bow tie". It is much harder to
find good oval designs that are above 1.5 L/W.
Good designs above 1.75 L/W are very scarce.
For darker stones I tend to try to find something
other than Barion, OMNI or Breakpoint because
they darken a stone. But remember cutting really
dark material is just a waste of time, energy and
laps regardless of design.
I almost always proofcut a design in Gemcad
and test it in GemRayX or BOG before I cut in
stone. There are many oval designs but not that
many good oval designs!
Cutting ovals may seem much more difficult than
cutting rounds, octagons, hexes and squares but
if you carefully cut good material with a good
design you will do fine. Matching the material
to a good design is the price you pay for a great
gem. If you limit yourself by not cutting ovals and
very similar shapes you will find you often do not
have much material to choose from.
Date: Tue, 30 Sep 2003 15:39:15 -0400
Your are right it was tashmarine not Tazmanite
Thank to all !
Subject: Three people hospitalised after meteor hits homes - www.smh.com.au
Date: Tue, 30 Sep 2003 22:46:08 -0500
From: Downey <email@example.com>
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 ~
Read the story first before opening the link below.
They were together in the house.
Just the two of them.
It was a cold, dark, stormy night. The storm had come quickly and each time
the thunder boomed he watched her jump.
She looked across the room and admired his strong appearance...and wished
that he would take her in his arms, comfort her and protect her from the
She wanted that...more than anything.
Suddenly, with a pop, the power went out... She screamed...
He raced to the sofa where she was cowering.
He didn't hesitate to pull her into his arms.
He knew this was a forbidden union and expected her to pull back.
He was surprised when she didn't resist but instead clung to him.
The storm raged on...as did their growing passion. And there came a moment
when each knew that they had to be together.
They knew it was wrong...
Their families would never understand...
So consumed were they in their passion that they heard no opening of doors.
..just the faint click of a camera......
TIDBITS AND REFLECTIONS~
I had a drug problem when I was young: I was drug to church on Sunday
morning. I was drug to church for wedding and funerals. I was drug to
family reunions no matter the weather. I was drug to the bus stop to go
to school every weekday. I was drug by my ears when I was disrespectful
to adults and teachers.. I was also drug to the woodshed when I
disobeyed my parents. Those drugs are still in my veins; and they affect
my behavior in everything I do, say, and think. They are stronger than
cocaine, crack, or heroin, and if today's children had this kind of drug
problem, America might be a better place.
LIST and WEBSITE INFO~
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