Obsidian and Coal Types and Facts

Obsidian

Coal

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1 Types

1.1 Types

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

Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite

1.2 Features

Blocks negativity, Helps to protect against depression

Helps in production of Heat and Electricity, Used as fossil fuel

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Not Yet Used

1.3.4 Famous Sculptures

Not Applicable

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Not Yet Used

1.4 Fossils

Absent

Present

Types of Obsidian and Coal

Some rocks according to their use or texture are classified into different types. Know more about Obsidian Texture and Coal Texture. Types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian whereas the types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite.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. Obsidian was used to create pictographs whereas Coal is not used to create 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. Obsidian was used to create petroglyphs whereas Coal was not used to create petroglyphs.