Elements with External Samples (37)

These are elements that have "External" samples associated with them. External samples are ones not actually located in the table and which I don't own. Generally speaking that means museum specimens, interesting rocks, or other objects I found somewhere that had to stay where they were for whatever reason.

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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Hydrogen
Hydrogen
Helium
Helium
Boron
Boron
Carbon
Carbon
Oxygen
Oxygen
Aluminum
Aluminum
Sulfur
Sulfur
Calcium
Calcium
Titanium
Titanium
Chromium
Chromium
Iron
Iron
Nickel
Nickel
Copper
Copper
Arsenic
Arsenic
Selenium
Selenium
Rubidium
Rubidium
Technetium
Technetium
Ruthenium
Ruthenium
Palladium
Palladium
Silver
Silver
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