| All returns accepted | ReturnsNotAccepted |
|---|---|
| Country/Region of Manufacture | United States |
Check the listing for details. Silicon Lump Element Sample, Medium (80 - 144 grams). Condition: New. Listed at 7.32 USD. Single silicon lumps - excellent for element collectors or as a billet for silicon parts. Message me with the corresponding letter if there is a specific piece you desire. Formula: SiFormula Weight: 28.085 g/molCAS: 7440-21-3Density: 2.329 g/cm³ Melting Point: 1414 °CBoiling Point: 3538 °C The Purity is 99% min. Specified impurities are Fe < 0.30%, Al < 0.30%, Ca < 0.05%, Ti < 0.05%, C < 0.15%. As an aside, they also explode into dust when shot with a rifle.