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Sugilite
Sugilite

Phlogopite
Phlogopite



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Sugilite
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Phlogopite

Sugilite Vs Phlogopite

Astrology

Origin

Canada, Southern and central Africa, Italy, Australia, India
Italy

Color

Violet, Brownish, Yellow, Reddish, Pale pink
Brownish, Red, Brown, Green, White, gray, Yellow, Reddish

Streak

White
White

For which Rashi?

Virgo
-

Planet

Mercury, Jupiter
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

2.69-2.792.78-2.85
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Poor on {0001}
Perfect basal (001)

Mohs Hardness

5.5-6.52-2.5
2 10
👆🏻

Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KMg3(Si3Al)O10(F,OH)2

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Weak
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.607-1.6121.530-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.0030.0280-0.0450
0 0.296
👆🏻

Clarity

Translucent
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Excellent
-

Reproductive

-
-

Digestive

-
-

Psychology

Spirituality
Self-discovery

Healing

Emotional healing
Emotional healing

Qualities Associated

Spiritual Protection
Awareness

Sugilite Vs Phlogopite Fracture

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

Sugilite Vs Phlogopite Luster

A primary knowledge about Sugilite vs Phlogopite 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. Sugilite exhibits Vitreous luster. Phlogopite, on other hand, exhibits Pearly luster.