Agate

Alexandrite

Agate Vs Alexandrite

Agate

Alexandrite

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1 Astrology

1.1 Origin

Brazil

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

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

Green

1.3 Streak

White

Not Available

1.4 For which Rashi?

Gemini

Scorpio

1.5 Planet

Not Available

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

Projective

Projective, Receptive

1.9 Deities

Bragi

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Courage, Love, Healing, Protection

Love

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

2.60-2.643.69-3.81

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

Indiscernible

1,1 ; 3,2.

2.7 Mohs Hardness

6.5-78.5

2 10

2.8 Chemical Composition

SiO₂

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Absent

Not Available

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.530-1.5431.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.0040.007-0.010

0 0.296

3.9 Clarity

Translucent

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

Agate Vs Alexandrite Fracture

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

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Agate Vs Alexandrite Luster

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