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Alexandrite
Alexandrite

Sard
Sard



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Alexandrite
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Sard

Alexandrite Vs Sard

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Astrology

Origin

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia
Southern and central Africa

Color

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

Streak

-
-

For which Rashi?

Scorpio
-

Planet

Venus
-

Element of Planets

Earth
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.812.58-2.63
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

1,1 ; 3,2.
None

Mohs Hardness

8.56.5-7
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Waxy

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Transparent to nearly opaque
Translucent

Refractive Index

1.739-1.7701.535-1.539
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
-

Birefringence

0.007-0.0100.008-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Aids in grounding and protection
-

Respiratory

Excellent
-

Reproductive

Supports reproductive health
-

Digestive

-
-

Psychology

Transformation
Strength

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Protection

Alexandrite Vs Sard Fracture

Fracture is an important parameter when you compare Alexandrite and Sard Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Sard 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. Sard fracture is Conchoidal.

Alexandrite Vs Sard Luster

A primary knowledge about Alexandrite vs Sard 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. Sard, on other hand, exhibits Waxy luster.