Collecting in a pocket at the Diamond Willow mine (now the Blue Points mine)

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Collecting in a pocket at the Diamond Willow mine (now the Blue Points mine), Pearl, Ontario. A gasoline-powered drill was required to enlarge the cavity opening enough to extract the specimen shown below; it barely cleared the opening. The cavity was found after noticing a small hole while scouring the floor of the mine; probing with a broomstick revealed a substantial void. Photo by Dianne Kile.

Product details

SpeciesDiamond
Added on02/13/2026
Publications
  • Mineralogical Record Self Collected Minerals page 200

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Diamond
Mineral guide
Learn about Diamond
the hardest mineral (Mohs 10) with octahedra, trigons, and cube forms; matrix and alluvial crystals prized for pristine appearance and provenance.
Regional guide
Diamond from Diamond Willow Mine
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