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Crystal Citrine

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Chemical Formula

SiO2

Composition

Silicon dioxide

Color

Yellow, yellow-brown, orange, dark orange-brown, reddish-brown

Streak

White

Hardness

7

Crystal System

Hexagonal

 
         

Crystal Forms 
and Aggregates

Most often as protruding clusters of pyramids on a geode base. Also occurs as short, stubby,terminated crystals, either singular or in drusy aggregates, and occasionally as long prismatic crystals and groupings. Also occurs massive and crusty.

Transparency

Transparent to translucent

Specific Gravity

2.6 - 2.7

Luster

Vitreous

Cleavage

Indiscernible

Fracture

Conchoidal

Tenacity

Brittle

Complex Tests

Soluble in hydrofluoric acid

In Group

Silicates; Tectosilicates; Silica Group

Striking Features

Color and crystal habits

Environment

Occurs in all mineral environments, especially in igneous environments.

Rock Type

Igneous, Sedimentary, Metamorphic

Popularity (1-4)

1

Prevalence (1-3)

3

Demand (1-3)

1

 

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