Steel Gray Graphite in rock matrix natural Mineral Specimen, very bright and shiny. "Pencil Lead Rock"
Dimensions (millimeters): 55 x 55 x 15
Dimensions (inches): 2.2 x 2.2 x .6
Origins: Antoine-Labelle, Quebec, Canada
This is the mineral that is used to make pencils. You could write on paper with this specimen!
Graphite is an allotrope of carbon. Allotrope are minerals that share the same chemistry but have different crystal forms. Those crystal forms can have a huge impact on physical properties. Other allotropes of carbon include diamond and charcoal. Graphite is used for pencil lead.
All Mineral Specimens and Geological Samples come with a label with the name of the mineral and where it was mined
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