Minerals, Alloys, and Compounds (471)

This collection contains samples that are not pure elements, but rather mixtures of several. Most are naturally occurring minerals in more or less the form they come out of the ground. (With a few exceptions, minerals are complex chemical compounds or mixtures of compounds). Other samples here are pure chemical compounds or alloys (mixtures of metals). Each sample is listed under all of the elements it contains.

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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Silicon
Silicon Silicon Carbide crystal

Silicon Carbide crystal.
Source: eBay seller birago123456
Contributor: Theodore Gray
Acquired: 20 February, 2004
Price: $88
Size: 8"
Composition: SiC
Fluorine
Fluorine Very large fluorite
3D3D
Very large fluorite. (External Sample)
Location: John Gray's Collection
Photographed: 3 December, 2004
Size: 24"
Composition: CaF2
Fluorine
Fluorine Large fluorite
3D3D
Large fluorite. (External Sample)
Location: John Gray's Collection
Photographed: 7 December, 2004
Size: 8"
Composition: CaF2
Fluorine
Fluorine Medium fluorite
3D3D
Medium fluorite. (External Sample)
Location: John Gray's Collection
Photographed: 9 December, 2004
Size: 5"
Composition: CaF2
Fluorine
Fluorine Fluorite
3D3D
Fluorite.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 January, 2005
Price: Unknown
Size: 6"
Composition: CaF2
Fluorine
Fluorine Fluorite
3D3D
Fluorite.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 January, 2005
Price: Unknown
Size: 5"
Composition: CaF2
Beryllium
Beryllium Aquamarine Beryl
3D3D
Aquamarine Beryl. (External Sample)
Location: John Gray's Collection
Photographed: 16 December, 2004
Size: 4"
Composition: Be3Al2Si6O18
Uranium
Uranium Autunite
3D3D
Autunite.
Source: eBay seller dr**zarkoff
Contributor: Theodore Gray
Acquired: 10 June, 2005
Price: $15
Size: 0.5"
Composition: Ca(UO2)2(PO4)2.10H2O
Thorium
Thorium Thorite
3D3D
Thorite.
Source: eBay seller mineralman999
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $90
Size: 0.5"
Composition: (Th,U)SiO
Uranium
Uranium Torbernite
3D3D
Torbernite.
Source: eBay seller migalf1
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $27
Size: 1.5"
Composition: Cu(UO2)2(PO4)2.8-12H2O
Uranium
Uranium Torbernite
3D3D
Torbernite.
Source: eBay seller billrka
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $20
Size: 1.5"
Composition: Cu(UO2)2(PO4)2.8-12H2O
Uranium
Uranium Boltwoodite
3D3D
Boltwoodite.
Source: SoCal (Nevada), Inc
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $28
Size: 1.5"
Composition: (K+Na)[(UO2)(SiO3OH)](H2O)1.5
Uranium
Uranium Carnotite
3D3D
Carnotite.
Source: eBay seller dr**zarkoff
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $15
Size: 1.5"
Composition: K2(UO2)2(VO4)2.3H2O
Uranium
Uranium Uraninite
3D3D
Uraninite.
Source: eBay seller rockgod
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $20
Size: 1.5"
Composition: UO2
Uranium
Uranium Zippeite
3D3D
Zippeite.
Source: eBay seller dr**zarkoff
Contributor: Theodore Gray
Acquired: 3 June, 2005
Price: $20
Size: 1.5"
Composition: K4(UO2)6(SO4)3(OH)10.4H2O
Uranium
Uranium Torbernite
3D3D
Torbernite.
Source: United Nuclear
Contributor: Theodore Gray
Acquired: 10 September, 2005
Price: $100
Size: 2.5"
Composition: Cu(UO2)2(PO4)2.8-12H2O
Uranium
Uranium Autunite
3D3D
Autunite.
Source: eBay seller boomologist
Contributor: Theodore Gray
Acquired: 25 June, 2005
Price: Donated
Size: 1.5"
Composition: Ca(UO2)2(PO4)2.10H2O
Uranium
Uranium Autunite
3D3D
Autunite.
Source: eBay seller boomologist
Contributor: Theodore Gray
Acquired: 25 June, 2005
Price: Donated
Size: 1.5"
Composition: Ca(UO2)2(PO4)2.10H2O
Thorium
Thorium Monazite Sand
3D3D
Monazite Sand.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 20 September, 2005
Price: Donated
Size: 1.5"
Composition: (Ce,La,Nd,Th)PO4
Chromium
Chromium Huge ferrochrome crystal
3D3D
Huge ferrochrome crystal.
Source: mrx
Contributor: mrx
Acquired: 15 July, 2005
Price: Trade
Size: 8"
Composition: FeCr
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