Definition
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent
Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time
History
Origin
Scotland
Egypt
Discoverer
Unknown
Unknown
Etymology
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland
From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Medium Grained Rock, Opaque Rock