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What texture does obsidian have?
A glassy texture.
What texture of obsidian?
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
What igneous rocks does not have a glassy texture?
basalt
The texture of slate is said to be?
Foliated
Is chert glassy?
Chert is a cryptocrystalline siliceous sedimentary rock. It resembles the physical properties of rocks having a glassy texture and a conchoidal fracture.
What texture does obsidian have?
A glassy texture.
What texture of obsidian?
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
Does scoria have a glassy texture?
No.
What type of texture does slate rock have?
Slate is smooth
What color is obsididan?
Black, it has a glassy texture.
What igneous rocks does not have a glassy texture?
basalt
What is the texure of obsidian?
Obsidian is an igneous rock with a glassy texture. Its texture is also called hyaline, the Greek word for texture.
The texture of slate is said to be?
Foliated
What are rocks that have a glassy texture called?
Obsidian
Lava that cools so quickly that ions do not have time to arrange into crystals will form igneous rocks with a?
glassy texture
What is the resulting texture of an extremley rapid cooling of lava in which no crystals form?
They are said to have a glassy or vitreous texture.
Is chert glassy?
Chert is a cryptocrystalline siliceous sedimentary rock. It resembles the physical properties of rocks having a glassy texture and a conchoidal fracture.
