Definition
Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters
History
Origin
-
Italy
Discoverer
Unknown
Marcus Vitruvius Pollio
Etymology
From Old English flint - a type of rock mainly known for high hardness and for giving off sparks when struck
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
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-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock