• Minerals: Graphite on marble and sandstone
    Dimensions: (92.00×85.72×16.48) mm for matrix
    Weight:140g

    Treatment: None
    Origin: Grenville, Québec
    Information: This graphite comes from a vein of graphite only in a marble and sandstone formation. The matrix is made of a graphite layer on marble. The graphite / marble proportion of the matrix is ​​approximately 65% for 35%.

  • Minerals: Graphite on marble
    Dimensions: (50.92×44.71×19.39) mm for matrix
    Weight: 46g

    Treatment: None
    Origin: Grenville, Québec
    Information: This graphite comes from a vein of graphite only in a marble and sandstone formation. The matrix is made of a graphite layer on marble. A portion of the structure has a crack, but is supported by the inner mixture graphite/marble of the matrix. The graphite / marble proportion of the matrix is ​​approximately 90% for 10%.

  • Minerals : Graphite on marble
    Dimensions : (46.13×31.67×14.29) mm for matrix
    Weight : 23g

    Treatment: None
    Origin : Grenville, Québec
    nformation : This graphite comes from a vein of graphite only in a marble and sandstone formation. The matrix is ​​made of a graphite layer on marble. The graphite / marble proportion of the matrix is ​​approximately 50% for 50%.