Ed Pegg Jr (42)

Ed is arguably responsible for almost all the donated elements, because it was only through his featuring of my table on his math puzzle website (mathpuzzle.com), which started the slashdot discussion, that other people became aware of it. He also helped engrave all the atomic weights and densities.

Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.

Text and images Copyright (c) 2010 by Theodore W. Gray.
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Molybdenum
Molybdenum Tiny cylinder

Tiny cylinder.
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 19 August, 2002
Text Updated: 11 August, 2007
Price: Donated
Size: 0.2"
Purity: 99.98%
Ruthenium
Ruthenium Very fine powder technically sponge

Very fine powder (technically "sponge").
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 16 August, 2002
Price: $22
Size: 0.5"
Purity: 99.99%
Sample Group: Powders
Rhodium
Rhodium Rhodium plated Ring with Tanzanite
3D3D
Rhodium plated Ring with Tanzanite.
Source: MrValue Jewelry
Contributor: Ed Pegg Jr
Acquired: 20 July, 2002
Price: $10
Size: 0.75"
Purity: >90%
Rhodium
Rhodium 1cm wire

1cm wire.
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 16 August, 2002
Price: $1
Size: 0.4"
Purity: 99.9%
Indium
Indium Ingot

Ingot.
Source: eBay seller estuff
Contributor: Ed Pegg Jr
Acquired: 8 May, 2002
Price: $20/50 grams
Size: 1.5"
Purity: >99%
Iodine
Iodine Tincture of Iodine I and NaI in water/alcohol mixture

Tincture of Iodine (I and NaI in water/alcohol mixture).
Source: Walgreens Pharmacy
Contributor: Ed Pegg Jr
Acquired: 20 May, 2002
Text Updated: 11 March, 2007
Price: $5
Size: 3"
Purity: <5%
Sample Group: Medical
Barium
Barium Rough octahedra under oil
3D3D
Rough octahedra under oil.
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 16 August, 2002
Text Updated: 4 May, 2007
Price: $23
Size: 0.3"
Purity: 99.5%
Praseodymium
Praseodymium Cube under oil
3D3D
Cube under oil.
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 16 August, 2002
Text Updated: 4 May, 2007
Price: $43
Size: 0.4"
Purity: 99.99%
Neodymium
Neodymium Rare earth magnet
SoundVideo
Rare earth magnet.
Source: Force Field
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $3
Size: 0.5"
Purity: <35%
Neodymium
Neodymium Magnetic icosahedron
3D
Magnetic icosahedron.
Source: Force Field
Contributor: Ed Pegg Jr
Acquired: 8 April, 2004
Price: Donated
Size: 2.5"
Purity: <35%
Samarium
Samarium Magnet
3D3D
Magnet.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 20 November, 2002
Price: Donated
Size: 0.4"
Purity: <30%
Thulium
Thulium Lump with interesting surface99.95%
3D3D
Lump with interesting surface. 99.95%.
Source: Stanford Materials Corporation
Contributor: Ed Pegg Jr
Acquired: 26 July, 2002
Text Updated: 4 May, 2007
Price: $80
Size: 0.75"
Purity: 99.95%
Tungsten
Tungsten Tungsten carbide ring
3D3D
Tungsten carbide ring.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 11 August, 2007
Text Updated: 11 August, 2007
Price: Donated
Size: 1"
Purity: 97%
Tungsten
Tungsten Tungsten carbide ring
3D3D
Tungsten carbide ring.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 4 September, 2007
Text Updated: 3 September, 2007
Price: Donated
Size: 1"
Purity: 97%
Tungsten
Tungsten Tungsten carbide ring
3D3D
Tungsten carbide ring.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 4 September, 2007
Text Updated: 3 September, 2007
Price: Donated
Size: 1"
Purity: 97%
Tungsten
Tungsten Tungsten carbide ring
3D3D
Tungsten carbide ring.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 4 September, 2007
Text Updated: 3 September, 2007
Price: Donated
Size: 1"
Purity: 97%
Rhenium
Rhenium 1cm wire

1cm wire.
Source: David Franco
Contributor: Ed Pegg Jr
Acquired: 16 August, 2002
Price: $6
Size: 0.4"
Purity: 99.98%
Gold
Gold Antique nugget
3D3D
Antique nugget.
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 3 September, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.75"
Purity: 88.7%
Lead
Lead Galena Lead Sulfide
3D
Galena (Lead Sulfide)
Source: Ed Pegg Jr
Contributor: Ed Pegg Jr
Acquired: 22 January, 2003
Price: Donated
Size: 1"
Purity: <80%
Bismuth
Bismuth Reagent-grade metal
3D
Reagent-grade metal.
Source: Alfa Aesar
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $100/Kg
Size: 2"
Purity: 99.9%
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