Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
From Greek tephra, ashes from Indo-European base, to burn
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Latite is an igneous, volcanic rock, with aphanitic-aphyric to aphyric-porphyritic texture
From the Latin word latium
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock