Grandidierite

Apophyllite

Grandidierite Vs Apophyllite

Grandidierite

Apophyllite

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1 Astrology

1.1 Origin

Madagascar

India, Canada, Brazil

1.2 Color

Green

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

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.002.30-2.50

1 7.18

2.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Uneven, UnevenArthur Thomas, Gemstones (2009)

2.6 Cleavage

Perfect

Perfect on (001)

2.7 Mohs Hardness

7.54.5-5

2 10

2.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Vitreous, Pearly

3.2 Pleochroism

visible

Dichroic (colorless)

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent

3.5 Refractive Index

1.578-1.6391.530-1.543

1 3.25

3.6 Optic Character

Not Available

Uniaxial/-

3.7 Crystal System

Orthorhombic

tetragonal

3.8 Birefringence

0.037-0.0390.000-0.003

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Grandidierite Vs Apophyllite Fracture

Fracture is an important parameter when you compare Grandidierite and Apophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grandidierite 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 Grandidierite is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas. Apophyllite fracture is Gemstones (2009), Uneven and UnevenArthur Thomas.

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Grandidierite Vs Apophyllite Luster

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