Andalusite

Variscite

Andalusite Vs Variscite

Andalusite

Variscite

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1 Astrology

1.1 Origin

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

Australia, Spain, Brazil, Germany

1.2 Color

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

Green, Blue, Colorless

1.3 Streak

White

1.4 For which Rashi?

Not Available

Virgo

1.5 Planet

Venus

Not Available

1.6 Element of Planets

Not Available

Earth

1.7 Energy

Not Available

1.8 How to Wear?

1.8.1 Finger

Not Available

1.8.2 Ring Metal

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.05-3.212.42-2.58

1 7.18

2.5 Fracture

Uneven, Subconchoidal, Splintery

Conchoidal, Splintery, ConchoidalWalter Schumann

2.6 Cleavage

Good on {110}, poor on {100}

[010] perfect

2.7 Mohs Hardness

7.54-5

2 10

2.8 Chemical Composition

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

AlPO₄ · 2(H₂O)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous, Waxy

3.2 Pleochroism

strongly trichroic

Not Available

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent

Translucent, Opaque . May be translucent when backlit on the edges.

3.5 Refractive Index

1.627-1.6501.560-1.594

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.009-0.0100.031

0 0.296

3.9 Clarity

Transparent

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Andalusite Vs Variscite Fracture

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

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Andalusite Vs Variscite Luster

A primary knowledge about Andalusite vs Variscite 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. Variscite, on other hand, exhibits Vitreous and Waxy luster.