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French
Flint Pebbles
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| Laboratory Pebbles | 10/20 mm
(3/8" - 3/4") 15/20 mm (5/8" - 3/4") 20/30 mm (3/4" - 1 1/8") |
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| Standard Pebbles | #00 #0 #1 #2 #3 #4 #5 |
(1" - 1 1/2") (1 1/4" - 1 3/4") (1 3/4" - 2 1/4") (2" - 2 1/2") (2 1/2" - 3 1/4") (3 1/4" - 4") (4" -5") |
Chemical Analysis for French Flint Pebbles Chemical Properties |
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| Loss on Ignition Silica Alumina Ferric Oxide Lime Magnesia |
0.71 % 98.92 % 0.36 % trace trace abs |
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Physical Properties |
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| Specific Gravity Hardness - Mohs Scale |
2.58 8 |
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