Alexandrite

Opal

Alexandrite Vs Opal

Alexandrite

Opal

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1 Astrology

1.1 Origin

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

Ethiopia

1.2 Color

Green

Yellow, White, Red, Brown, Blue

1.3 Streak

Not Available

White

1.4 For which Rashi?

Scorpio

Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio

1.5 Planet

Venus

Mercury

1.6 Element of Planets

Earth

Earth, Air, Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

1.9 Deities

Not Available

Cupid

1.10 Not to wear with

Not Available

1.11 Powers

Love

Astral Projection, Psychicism

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

BrittleWalter Schumann

2.2 Solubility

Not Available

hot salt water

2.3 Durability

Not Available

2.4 Specific Gravity

3.69-3.811.98-2.25

1 7.18

2.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

2.6 Cleavage

1,1 ; 3,2.

None

2.7 Mohs Hardness

8.55-6.5

2 10

2.8 Chemical Composition

BeAl ₂ O ₄

SiO₂ · nH₂O

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

Not Available

None

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent, Transparent to nearly opaque

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.739-1.7701.37-1.52

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.007-0.010Not Available

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

Alexandrite Vs Opal Fracture

Fracture is an important parameter when you compare Alexandrite and Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Opal 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. Opal fracture is Brittle, Conchoidal, Conchoidal and Gemstones of the world (2001) More from other references.

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Alexandrite Vs Opal Luster

A primary knowledge about Alexandrite vs Opal 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. Alexandrite exhibits Vitreous luster. Opal, on other hand, exhibits Pearly and Vitreous luster.