Polyhalite

Alexandrite

Polyhalite Vs Alexandrite

Polyhalite

Alexandrite

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Astrology

Origin

Austria

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia

Color

Colorless, White, Red, gray, pink

Green

Streak

White

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

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.783.69-3.81

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}

1,1 ; 3,2.

Mohs Hardness

3.58.5

2 10

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Chemical Composition

K2Ca2Mg(SO4)4·2H2O

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous, Resinous

Vitreous

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Refractive Index

1.546-1.5481.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Orthorhombic

Birefringence

0.0210.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Transformation

Healing

Physical healing

Emotional healing

Qualities Associated

Emotional Healing

Transformation

Polyhalite Vs Alexandrite Fracture

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

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Polyhalite Vs Alexandrite Luster

A primary knowledge about Polyhalite 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. Polyhalite exhibits Vitreous and Resinous luster. Alexandrite, on other hand, exhibits Vitreous luster.