Mohs hardness of 10
The above left image is a close-up photgraph of a yellow diamond recovered from the Crater of Diamonds State Park. This diamond is also found in the first image at the 10:00 o'clock position. The image on the right is a close photograph of a brown diamond also recovered from the state park. This brown diamond is found in the top image at the 11:00 o'clock position. Note that the diamond is broken.
The diamond shown above is found at the 9:00 o'clock position in the top most image. This particular diamod is "pure water" or flawless and has eceptional clarity and brillance in its raw crystal form. The diamonds found at the Crater of Diamonds State Park are typically twelve-sided dodecahedrons. Six of the diamond crystal's twelve crystal faces are shown above.
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