Theodore Gray (872)

These are the elements I've procured myself.

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) 2007 by Theodore W. Gray.
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Lanthanum
Lanthanum Advertising set

Advertising set.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 23 July, 2004
Price: $20
Size: 8"
Purity: >20%
Lanthanum
Lanthanum Mischmetal
3D3D
Mischmetal.
Source: United Nuclear
Contributor: Theodore Gray
Acquired: 3 July, 2006
Price: $45
Size: 4"
Composition: CeLa
Cerium
Cerium Mischmetal striking flint
SoundVideo
Mischmetal striking flint.
Source: Walmart
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $4
Size: 3"
Purity: <30%
Cerium
Cerium Optical polishing powder

Optical polishing powder.
Source: eBay seller fellows
Contributor: Theodore Gray
Acquired: 1 October, 2002
Price: $5
Size: 1"
Purity: <30%
Sample Group: Powders
Cerium
Cerium Advertising set

Advertising set.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 23 July, 2004
Price: $20
Size: 8"
Purity: >20%
Praseodymium
Praseodymium Hollow cathode lamp

Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
Praseodymium
Praseodymium Advertising set

Advertising set.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 23 July, 2004
Price: $20
Size: 8"
Purity: >20%
Neodymium
Neodymium Hollow cathode lamp

Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
Neodymium
Neodymium Daylight incandescent bulb

Daylight incandescent bulb.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 28 November, 2003
Price: $1
Size: 6"
Purity: <1%
Sample Group: Light Bulbs
Neodymium
Neodymium Advertising set

Advertising set.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 23 July, 2004
Price: $20
Size: 8"
Purity: >20%
Neodymium
Neodymium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Price: $39
Size: 0.75"
Purity: >99%
Sample Group: Coins
Promethium
Promethium Fluorescent bulb initiator
3D3D
Fluorescent bulb initiator.
Source: bulbconnection.com
Contributor: Theodore Gray
Acquired: 8 March, 2008
Price: $5
Size: 0.5"
Purity: 0%
Samarium
Samarium Hollow cathode lamp

Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
Samarium
Samarium Element coin
3D3D
Element coin.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 30 September, 2007
Price: $38
Size: 0.75"
Purity: >99%
Sample Group: Coins
Europium
Europium Glow in the dark powder

Glow in the dark powder.
Source: eBay seller teddp
Contributor: Theodore Gray
Acquired: 5 September, 2002
Price: $12
Size: 1"
Purity: <2%
Sample Group: Powders
Europium
Europium Compact fluorescent bulb

Compact fluorescent bulb.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 28 November, 2003
Price: $3
Size: 6"
Purity: <1%
Sample Group: Light Bulbs
Europium
Europium Hollow cathode lamp

Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
Europium
Europium Sample under oil
3D3D
Sample under oil.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $17
Size: .75"
Purity: 99.9%
Europium
Europium Dendritic sample under oil
3D3D
Dendritic sample under oil.
Source: Dave Hamric
Contributor: Theodore Gray
Acquired: 20 September, 2005
Price: $39
Size: 1"
Purity: 99.9%
Gadolinium
Gadolinium Hollow cathode lamp

Hollow cathode lamp.
Source: eBay seller heruur
Contributor: Theodore Gray
Acquired: 24 December, 2003
Price: $20
Size: 8"
Purity: 99.9%
Sample Group: Atomic Emission Lamps
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