Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine
From the name of a town in Harzburg, Germany
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock