Uvite

Fayalite

Uvite Vs Fayalite

Uvite

Fayalite

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1 Astrology

1.1 Origin

Sri Lanka

Southern and central Africa

1.2 Color

Red, Brown, Black

Yellow, Brown, Black, Black

1.3 Streak

Brown

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

2.97-3.144.392

1 7.18

2.5 Fracture

Uneven, Conchoidal, Brittle

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

2.6 Cleavage

{1011} Indistinct

{010} moderate, {100} imperfect

2.7 Mohs Hardness

Not Available6.5-7

2 10

2.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Resinous

3.2 Pleochroism

Pale yellow colorlessAnthony et al

Faint

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.614-1.6661.827-1.879

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.014-0.0320.042-0.051

0 0.296

3.9 Clarity

Transparent

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

Uvite Vs Fayalite Fracture

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

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Uvite Vs Fayalite Luster

A primary knowledge about Uvite 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. Uvite exhibits Vitreous luster. Fayalite, on other hand, exhibits Resinous and Vitreous luster.