Andalusite

Pezzottaite

Andalusite Vs Pezzottaite

Andalusite

Pezzottaite

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Astrology

Origin

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

Afghanistan

Color

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

White, Colorless, Blue, Red, Green, Yellow, Violet, pink

Streak

White

For which Rashi?

Planet

Venus

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.212.90-3.14

1 7.18

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Fracture

Uneven, Subconchoidal, Splintery

Conchoidal, Uneven

Cleavage

Good on {110}, poor on {100}

Imperfect; basal

Mohs Hardness

7.57.5-8

2 10

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Chemical Composition

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

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

strongly trichroic

Moderate dichroic

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.627-1.6501.598-1.620

1 3.25

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Optic Character

Crystal System

Orthorhombic

Hexagonal

Birefringence

0.009-0.0100.008-0.011

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Perception

Healing

Physical healing

Emotional healing

Qualities Associated

Self-Realization

Andalusite Vs Pezzottaite Fracture

Fracture is an important parameter when you compare Andalusite and Pezzottaite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Pezzottaite 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 Andalusite is Uneven, Subconchoidal and Splintery. Pezzottaite fracture is Conchoidal and Uneven.

Compare Brown Gemstones

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Andalusite Vs Pezzottaite Luster

A primary knowledge about Andalusite vs Pezzottaite 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. Andalusite exhibits Vitreous and Greasy luster. Pezzottaite, on other hand, exhibits Vitreous luster.