Siltstone and Obsidian Types and Facts

Siltstone

Obsidian

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1 Types

1.1 Types

Not Available

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

1.2 Features

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

Blocks negativity, Helps to protect against depression

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Not Used

Used

1.3.6 Petroglyphs

Not Used

Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Present

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. Types of Siltstone are Not Available whereas the types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian.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 was not used to create pictographs whereas Obsidian is 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. Siltstone was not used to create petroglyphs whereas Obsidian was used to create petroglyphs.