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Prehnite
Prehnite

Sylvite
Sylvite



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Prehnite
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Sylvite

Prehnite Vs Sylvite

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Astrology

Origin

Australia, Southern and central Africa, France
Mexico, Canada

Color

Green, Colorless, gray, Yellow, White
Colorless, White, Blue, Red, Reddish, Brownish

Streak

Colorless
White

For which Rashi?

Libra
-

Planet

Venus
-

Element of Planets

Earth
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-

Deities

Freya
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.80-2.951.993
1 7.18
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Fracture

Uneven
Uneven

Cleavage

Distinct on [001]
Perfect on [100], [010], [001]

Mohs Hardness

6-6.52.5
2 10
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Chemical Composition

Ca2Al2Si3O12(OH)
KCl

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Visible in colored crystals

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
-

Refractive Index

1.611-1.6731.4903
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.021-0.033-9999
0 0.296
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Clarity

TranslucentHerve Nicolas Lazzarelli
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Grounding

Healing

Physical healing
Emotional healing

Qualities Associated

Harmony
Peace

Prehnite Vs Sylvite Fracture

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

Prehnite Vs Sylvite Luster

A primary knowledge about Prehnite vs Sylvite 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. Prehnite exhibits Vitreous luster. Sylvite, on other hand, exhibits Vitreous luster.