Sandstone | Gemopedia

Sandstone is a sedimentary rock composed of sand-sized grains. Often banded in appearance, sandstone is one of the most common types of sedimentary rock and is found throughout the world. It is often mined for use as a construction material or as a raw material used in manufacturing. This stone can be cut, polished and carved for a variety of both practical and ornamental purposes.
Alternate
Names
Arenite
Colors
Tan, Brown, Yellow, Red, Gray, Pink, White, Black

Sandstone Classification

Common Name

Sandstone

Species

Sandstone

Variety

Colors

Tan, Brown, Yellow, Red, Gray, Pink, White, Black

Alternate Names

Arenite

Gemstone Groups

Key Separations

Appearance

Comments

Sandstone is a sedimentary rock composed of sand sized grains and usably is banded in appearance. Sandstone is soft and easy to carve but resistant to weathering.

Sandstone Optical Properties

Transparency

Opaque

Refractive Index

Birefringence

Optic Character

NA

Optic Sign

NA

Polariscope Reaction

Fluorescence

SWUV:
LWUV:

CCF Reaction

Pleochroism

None

Dispersion

Strength: none

Comments

Sandstone Chemistry & Crystallography

Chemical Name

mostly quartz and feldspar

Chemical Formula

Synthesis

Crystal System

NA

Classification

Rock

Nature

Natural

Crystallinity

Aggregate

Comments

Sandstone Characteristic Physical Properties

Hardness

4

Streak

Specific Gravity

Toughness

Inclusions

Luster

Dull

Stability

Fracture

Cleavage

None

Comments

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