Definition
Aplite is a fine-grained granite composed mainly of feldspar and quartz
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
History
Origin
Iran
Germany
Discoverer
Unknown
Van Tooren
Etymology
From German Aplit, from Greek haploos simple + -ite
From Greek tephra, ashes from Indo-European base, to burn
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock