<< Previous Next >>

Emerald Crystal


Emerald Crystal
Photo Information
Copyright: David Michaels (tsumeb) Silver Star Critiquer/Silver Note Writer [C: 17 W: 1 N: 42] (174)
Genre: Landscapes
Medium: Color
Date Taken: 2005-03-01
Categories: Mountain
Camera: Nikon Coolpix 8700
Exposure: f/7.9
More Photo Info: [view]
Photo Version: Original Version, Workshop
Theme(s): Crystals and Minerals, Minerals [view contributor(s)]
Date Submitted: 2005-03-02 17:32
Viewed: 8773
Points: 12
[Note Guidelines] Photographer's Note
I thought I'd try one more mineral after the fine response from my previous post. This is an emerald miniature (about 7.5cm across) from Cosquez, Colombia which is the richest emerald mine in the world. Uncut and unpolished emerald crystals as they appear in nature are rare outside of the mine. The green gems are chopped out and sent to jewelry cutters immediately. Every so often a piece is available to collectors.

Emerald is a beryl, a mineral that is normally colorless. Emerald's rich green color is caused by minute traces of chromium.

Ancient emeralds were found in Egypt and Afghanistan. But when the Conquistadores from Spain arrived on the continent of South America were stunned to see emeralds finer and larger than any ever seen before. The Spaniards spent years searching for the source of the fantastic green stones favored by the Incas. They found it finally in Colombia.

The finest stones are mined at Cosquez and Chivor but continuing conflict in Colombia sometimes cuts supplies.

Cosquez emeralds usually occur like this, framed in black calcite. Cosquez is about 60 miles north of Bogota.

I used my "Ott Lite" (Daylight color temperature) and macro settings. I did cut the specimen out and put it against black but the green color is not manipulated.

AdrianW, LordPotty, milloup, red45, Luc, petrudamsa, roconnell, LiBuMa has marked this note useful
Only registered TrekNature members may rate photo notes.
Add Critique [Critiquing Guidelines] 
Only registered TrekNature members may write critiques.
Discussions
ThreadThread Starter Messages Updated
To LordPotty: For Steve and Bentetsumeb 5 03-04 05:08
To LordPotty: Saw the Goldtsumeb 1 03-03 10:18
You must be logged in to start a discussion.

Critiques [Translate]

Another interesting post David.
The photo itself is very very good, and what a beautiful stone.
Is this whole thing 7.5cm across or the crystal in the middle. It still seems pretty big to me. Any idea of its value?
Did you see the gold nuggets in the workshop photo with my pot 'Moonlight Creek' a couple of weeks ago?
I have some very interesting rocks and minerals that I keep meaning to photograph to post here. I'll have to get onto it.
Cheers Steve.

  • Great 
  • Toni Gold Star Critiquer/Gold Note Writer [C: 403 W: 2 N: 316] (2034)
  • [2005-03-03 6:23]

Tres sympa. superbe emeraude

Beautiful capture of this interesting gem, good sharpness and DOF, good colours. I'll look back to get the reply to Steve's question, because I wondered about the same ;-))

  • Great 
  • red45 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2636 W: 74 N: 9091] (31094)
  • [2005-03-04 5:04]

Don't show it to my wife, David ;-) Beautiful capture. I think emeralds are one of most beautiful crystals. Love its deep green colour and composition with dark crystals around.

Sorry, points tomorrow.

Beautiful. The contrast between the green and darker crytals highlights the beauty of the emerald and its shape. Great lighting.

Hi David,
What an amazing emerald !
Colors are perfect, and reflects are controlled. Maybe a frame a little straight... But a black background is a good choice.
I'll try a little WS with a bigger frame, there's nothing moreto ad or to remove.
Just one point : in Columbia, there are two more emeralds mines, La Pita, a relatively unknown one, and also Muzo, worldwide known... The Muzo quartz are typical, and in France, the most famous emerald locality is that one .
Thanks for sharing these stunning pieces.
Regards,

Emma

Calibration Check
















0123456789ABCDEF