Dravite

Apophyllite

Dravite Vs Apophyllite

Dravite

Apophyllite

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Astrology

Origin

Southern and central Africa

India, Canada, Brazil

Color

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

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

Streak

Colorless

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

Solubility

Durability

Specific Gravity

3.03-3.182.30-2.50

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Uneven

Cleavage

{???} Indistinct

Perfect on (001)

Mohs Hardness

7-7.54.5-5

2 10

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Chemical Composition

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

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

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Very strong: pale yellow colorless

Dichroic (colorless)

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.614-1.6661.530-1.543

1 3.25

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Optic Character

Uniaxial/-

Crystal System

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

tetragonal

Birefringence

0.014-0.0320.000-0.003

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and intuition

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Self-acceptance

Spiritual Connection

Healing

Emotional healing

Qualities Associated

Self-Exploration

Connection to Spiritual Guides

Dravite Vs Apophyllite Fracture

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

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Dravite Vs Apophyllite Luster

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