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Sillimanite
Sillimanite

Actinolite
Actinolite



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Sillimanite
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Actinolite

Sillimanite Vs Actinolite

Astrology

Origin

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Southern and central Africa

Color

Blue, Green, Brownish, Greenish, Colorless, gray
Green, Black, White, Grey, gray

Streak

White
White

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Tough
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.263.00
1 7.18
👆🏻

Fracture

Splintery
Uneven, Splintery

Cleavage

{010} perfect
perfect along {110}.

Mohs Hardness

6-7.55-6
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Subadamantine, Silky
Vitreous

Pleochroism

Colourless to pale brown to yellow
moderate

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.653-1.6851.613-1.628
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.020-0.0220.0250-0.0270
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
Aids in mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
Supports reproductive health

Digestive

-
-

Psychology

Creativity
Strength

Healing

Emotional healing
Physical healing

Qualities Associated

Creativity
Strength

Sillimanite Vs Actinolite Fracture

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

Sillimanite Vs Actinolite Luster

A primary knowledge about Sillimanite vs Actinolite 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. Sillimanite exhibits Vitreous, Subadamantine and Silky luster. Actinolite, on other hand, exhibits Vitreous luster.