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Amethyst
Amethyst

Cordierite Iolite
Cordierite Iolite



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Amethyst
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Cordierite Iolite

Astrology

Origin

USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

Color

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

Streak

White
-

For which Rashi?

Pisces, Scorpio, Sagittarius
-

Planet

-
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Diana
-

Not to wear with

-
-

Powers

Love, Courage
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

insoluble in common solvents
-

Durability

-
-

Specific Gravity

2.652.56-2.66
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann

Cleavage

Indiscernible
Distinct

Mohs Hardness

77-7.5
2 10
👆🏻

Chemical Composition

SiO2
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

None
Strong trichroism: colorless to yellowish

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent

Refractive Index

1.544-1.5531.542-1.578
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Trigonal
-

Birefringence

0.0090.008-0.012
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Good
Good

Reproductive

Supports reproductive health
-

Digestive

Supports digestive health
-

Psychology

Calming
Inner vision

Healing

Emotional healing
Emotional healing

Qualities Associated

Spirituality
Intuition