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Unclassified
Greensand
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Unclassified
Greensand
Sand or sandstone which has a greenish color
rare · Q5604432
Related cards · granular material
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Concepts
Beryllium
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Concepts
Molybdenum
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Unclassified
Cement
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Concepts
Rhodium
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Concepts
Hafnium
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Meta topics
Oil sands
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Concepts
Phosphorus
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Concepts
Molybdenum
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Meta topics
Potassium carbonate
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Unclassified
Compost
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Unclassified
Wood ash
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Meta topics
Diammonium phosphate
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Related cards · natural material
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Unclassified
Brownstone
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Nature
Ivory
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Unclassified
Gravel
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Unclassified
Cobblestone
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Dark history
Derna dam collapses
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Unclassified
Greywacke
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