Apophyllite

Dravite

Apophyllite Vs Dravite

Apophyllite

Dravite

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Astrology

Origin

India, Canada, Brazil

Southern and central Africa

Color

Colorless, Reddish, White, pink, Green, Yellow, Violet, Blue, Brown

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

Streak

White

Colorless

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

Solubility

Durability

Specific Gravity

2.30-2.503.03-3.18

1 7.18

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Fracture

Uneven

Uneven, Irregular, Conchoidal

Cleavage

Perfect on (001)

{???} Indistinct

Mohs Hardness

4.5-57-7.5

2 10

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Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Dichroic (colorless)

Very strong: pale yellow colorless

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.530-1.5431.614-1.666

1 3.25

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Optic Character

Uniaxial/-

Crystal System

tetragonal

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

0.000-0.0030.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and intuition

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Spiritual Connection

Self-acceptance

Healing

Emotional healing

Qualities Associated

Connection to Spiritual Guides

Self-Exploration

Apophyllite Vs Dravite Fracture

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

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Apophyllite Vs Dravite Luster

A primary knowledge about Apophyllite vs Dravite 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. Apophyllite exhibits Vitreous and Pearly luster. Dravite, on other hand, exhibits Vitreous luster.