Prasiolite

Alexandrite

Prasiolite Vs Alexandrite

Prasiolite

Alexandrite

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1 Astrology

1.1 Origin

Canada

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma

1.2 Color

Green

1.3 Streak

Not Available

1.4 For which Rashi?

Libra, Sagittarius, Taurus

Scorpio

1.5 Planet

Jupiter

Venus

1.6 Element of Planets

Water

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Projective, Receptive

1.9 Deities

Goddess

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.653.69-3.81

1 7.18

2.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

2.6 Cleavage

3,1

1,1 ; 3,2.

2.7 Mohs Hardness

78.5

2 10

2.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Very weak: light green pale greenWalter Schumann

Not Available

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.544-1.5531.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.0090.007-0.010

0 0.296

3.9 Clarity

Transparent

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

Prasiolite Vs Alexandrite Fracture

Fracture is an important parameter when you compare Prasiolite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prasiolite Vs Alexandrite 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 Prasiolite is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001).

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Prasiolite Vs Alexandrite Luster

A primary knowledge about Prasiolite vs Alexandrite 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. Prasiolite exhibits Vitreous luster. Alexandrite, on other hand, exhibits Vitreous luster.