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3D3DTiny crystal.
This is a small chip from a small bag of tellurium crystals I received from Oliver Sacks on a visit. I used it to test my very small turntable, constructed to allow accurate rotation of samples down to a couple of mm in size.
Source: Oliver Sacks
Contributor: Oliver Sacks
Acquired: 4 August, 2004
Price: Donated
Size: 0.1"
Purity: 99.9%