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Specimen dimensions: 3½ x 1¾ x ½ inches (90x45x40mm)
Specimen weight: x ounces (x grams)
Collection: Highland Campus
For reference: the blue magnet is 1 inch (25mm) from flat base to vertex.
Distinguishing Properties (click this to reveal) - make your list of observations before peeking
Distinguishing Properties (click this to reveal) - make your list of observations before peeking
Distinguishing Physical Properties:
Notice the metallic, or sub-metallic luster and its color of dull metallic to dark gray to black. And it's relatively heavy (or dense).
The magnet is a dead giveaway - you should test all the metallic looking specimens with a magnet, and with this sample you hit !!
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