Grossular

Fayalite

Grossular Vs Fayalite

Grossular

Fayalite

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1 Astrology

1.1 Origin

Sri Lanka, India, Brazil

Southern and central Africa

1.2 Color

Green, Brown, Brown, Colorless, Green, gray, Yellow

Yellow, Brown, Black, Black

1.3 Streak

Brownish, White, Brownish, White

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

3.55-3.734.392

1 7.18

2.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

2.6 Cleavage

none

{010} moderate, {100} imperfect

2.7 Mohs Hardness

7-7.56.5-7

2 10

2.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous, Resinous

3.2 Pleochroism

None

Faint

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.730-1.7601.827-1.879

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

cubic

Orthorhombic

3.8 Birefringence

0.0200.042-0.051

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentAnthony et al

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

Grossular Vs Fayalite Fracture

Fracture is an important parameter when you compare Grossular and Fayalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Grossular Vs Fayalite 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 Grossular is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Fayalite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

Compare Green Gemstones

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Grossular Vs Fayalite Luster

A primary knowledge about Grossular vs Fayalite 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. Grossular exhibits Greasy and Vitreous luster. Fayalite, on other hand, exhibits Resinous and Vitreous luster.