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Obsidian typically has a smooth, glassy texture due to its quick cooling process when formed from volcanic lava. It has a conchoidal fracture pattern, which means it breaks with curved, shell-like shapes. The grain shape of obsidian is generally fine-grained due to its rapid cooling.
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What is the grain shape of quartzite?
jagged
What else does rock texture include besides grain size and arrangement?
Grain shape.
What are 3 characteristics of a rocks grain?
Three characteristics of a rock's grain include size (fine, medium, coarse), shape (angular, rounded), and sorting (well-sorted, poorly sorted). These characteristics can provide information about the rock's origin and history.
What is the grain shape of marble?
The grain shape of marble is typically interlocking. This means that the individual mineral grains in the marble are tightly interwoven or interlocked with each other, forming a solid and dense structure.
What is a grain of sand or sugar?
A grain of sand is a tiny piece of rock or mineral, usually made of silica. A grain of sugar is a small crystal of sucrose, a type of carbohydrate. Both are small, granular substances commonly used for various purposes.
What is obsidians density?
2.6g
What is the shape of rice grain?
the same shape as a poo
What are 3 characteristics of a rock?
1.Grain Size 2.Grain Shape 3.Grain Pattern
What is the grain shape of quartzite?
jagged
What else does rock texture include besides grain size and arrangement?
Grain shape.
What is Obsidians' composition?
potassiun feldspar, quartz, plagioclase feldspar,biotite, and amphibole.
What is pellet grain for horses?
Pellet grain is really just the type of shape of the grain. Instead of flake grain it is just shaped like a pellet or, if you will, like a perscriptian drug.
What are 3 characteristics of a rocks grain?
Three characteristics of a rock's grain include size (fine, medium, coarse), shape (angular, rounded), and sorting (well-sorted, poorly sorted). These characteristics can provide information about the rock's origin and history.
What is the grain shape of marble?
The grain shape of marble is typically interlocking. This means that the individual mineral grains in the marble are tightly interwoven or interlocked with each other, forming a solid and dense structure.
Is granite jagged?
Yes, granite's grain shape is jagged.
What shape are the quartz crystals in sandstone. are they isometric........ octagonal.........?
The crystal form is hexagonal, but the grain shape is rounded.
What shape is the grain?
Generally, grains of rocks and minerals can be any shape and is usually dependent on the type of erosion and/or weathering. Type of erosion/weathering|Grain shape None |Angular Water |Round, Smooth Wind |Round, Pitted Glacial |Semi-round to Angular with parallel scratches None |(As formed) Physical |Angular Chemical |(In solution)
