Siltstone and Obsidian Types and Facts

Siltstone

Obsidian

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Siltstone

Available in Lots of Colors and Patterns, Easily splits into thin plates, Generally rough to touch, High silica content, Very fine grained rock

Present

Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian

Blocks negativity, Helps to protect against depression

Absent

Types of Siltstone and Obsidian

Some rocks according to their use or texture are classified into different types. Know more about Siltstone Texture and Obsidian Texture. The types of Siltstone and Obsidian are .During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Siltstone and Obsidian were for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Siltstone and Obsidian were for creating petroglyphs.