450 °C
- 843 °F
- 724 °K
1122 °C
- 2051 °F
- 1395 °K
Contributed by collector no. 4
One medium, and many small chunks of moderately tarnished Tellurium, with some shiny parts visible. The surface of the medium chunk shows a neat crystal structure.
Contributed by collector no. 4
The Chalcogen group: Oxygen , Sulfur , Selenium , and Tellurium
Contributed by collector no. 2
Tellurium can be commonly found in two allotropes (elemental forms): brittle silvery crystals, and amorphous (lack of a molecular structure) dark gray powder. The first photo is a bottle of small, dark gray, amorphous chunks, and the second photo is a bottle of brittle, shiny, silvery chunks.
Contributed by collector no. 3
Contributed by collector no. 3
Roughly 4 cm diameter disc of Tellurium. The surface shows patterns of Pine-tree or needle-like crystals.
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