Samples by Date (1618)

These are all my samples listed in order of acquisition, newest first. Check back to see new samples as they are added.

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.

Previous Next Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81

Ingot.
Source: eBay seller estuff
Contributor: Ed Pegg Jr
Acquired: 8 May, 2002
Price: $20/50 grams
Size: 1.5"
Purity: >99%

Electroplated foil.
Source: Flex-n-Gate, Inc
Contributor: Flex-n-Gate, Inc
Acquired: 25 April, 2002
Price: Donated
Size: 0.3"
Purity: >99%

Ingots.
Source: Flex-n-Gate, Inc
Contributor: Flex-n-Gate, Inc
Acquired: 25 April, 2002
Price: Donated
Size: 1"
Purity: >99%

Lead-free fishing weights.
Source: Walmart
Contributor: Theodore Gray
Acquired: 24 April, 2002
Price: $14/10 bags of weights
Size: 1.25"
Purity: >95%
Sample Group: Fishing Weights

Aluminum Gem cut aluminum oxide corundum

Gem cut aluminum oxide (corundum).
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 23 April, 2002
Price: $15/both
Size: 0.6"
Purity: 53%

Flowers of sulfur.
Source: Walgreens Pharmacy
Contributor: Theodore Gray
Acquired: 18 April, 2002
Price: $2
Size: 2.5"
Purity: >95%
Sample Group: Powders+Medical

Carbon Gem cut cubic zirconium just to fool people

Gem cut cubic zirconium just to fool people.
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 17 April, 2002
Price: $60/50 stones
Size: 0.39"
Purity: 0%

Gem cut Zirconium oxide (cubic).
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 17 April, 2002
Price: $60/50 stones
Size: 0.39"
Purity: 74%

Anthracite coal.
Source: Coal Dealer
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $0.008/ounce ($250/ton)
Size: 2"
Purity: >85%

Carbon Graphite rod from lantern battery

Graphite rod from lantern battery.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $5/battery with 4 of them
Size: 3"
Purity: >95%

Pyrolytic graphite.
Source: Science Toys
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $2
Size: 1"
Purity: >99%

Teflon thread seal tape.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $2
Size: 2"
Purity: 75%

Camp fire starter.
Source: Walmart
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $4
Size: 3"
Purity: 97.2%

4/0 electrical wires.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/foot
Size: 1.25"
Purity: >95%

Water drop blobs.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1/foot
Size: 1.25"
Purity: >95%

Silicon wafer.
Source: The Tech Museum, San Jose, California
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $20/unbroken wafer
Size: 1.5"
Purity: 99.9999%

Ordinary light bulb.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: Donated
Size: 1.5"
Purity: >90%
Sample Group: Light Bulbs

Steel wool.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $1
Size: 2"
Purity: >95%

Rusty iron plate.
Source: Marco's Scrap Metal
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: $0.10/pound for scrap iron.
Size: 1.5"
Purity: >95%

Precision steel micro-bearings.
Source: New England Miniature Ball Corp
Contributor: Ed Pegg Jr
Acquired: 15 April, 2002
Price: $5/1000 (which is not a lot of bearings)
Size: 0.03"
Purity: >95%