1 Definition
1.1 Definition
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
1.2 History
1.2.1 Origin
1.2.2 Discoverer
Marcus Vitruvius Pollio
Ferdinand von Hochstetter
1.3 Etymology
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy
From the name of Dun Mountain, New Zealand, + -ite1
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock