Slate and Obsidian Types and Facts

Slate

Obsidian

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Phyllite, Schist, and Slate

Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock

Absent

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

Blocks negativity, Helps to protect against depression

Absent

Types of Slate and Obsidian

Some rocks according to their use or texture are classified into different types. Know more about Slate Texture and Obsidian Texture. The types of Slate 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. Slate 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. Slate and Obsidian were for creating petroglyphs.