Quartz

Andalusite

Quartz Vs Andalusite

Quartz

Andalusite

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Astrology

Origin

Brazil

Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)

Color

Black, Colorless, Green, Violet, White, Yellow, Blue, Red, pink, Brown, gray

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red

Streak

White

For which Rashi?

Taurus, Capricorn, Sagittarius

Planet

Venus

Element of Planets

Earth, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Nerthus

Not to wear with

Powers

Healing, Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.653.05-3.21

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Splintery

Cleavage

{0110} Indistinct

Good on {110}, poor on {100}

Mohs Hardness

77.5

2 10

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Chemical Composition

SiO₂

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

None

strongly trichroic

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.544-1.5531.627-1.650

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0090.009-0.010

0 0.296

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Clarity

Opaque

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Clarity

Perception

Healing

Emotional healing

Physical healing

Qualities Associated

Clarity

Self-Realization

Quartz Vs Andalusite Fracture

Fracture is an important parameter when you compare Quartz and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Quartz Vs Andalusite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Quartz is Conchoidal. Andalusite fracture is Uneven, Subconchoidal and Splintery.

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Quartz Vs Andalusite Luster

A primary knowledge about Quartz vs Andalusite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Quartz exhibits Vitreous luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.