Uvite

Alexandrite

Uvite Vs Alexandrite

Uvite

Alexandrite

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1 Astrology

1.1 Origin

Sri Lanka

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma

1.2 Color

Red, Brown, Black

Green

1.3 Streak

Brown

Not Available

1.4 For which Rashi?

Not Available

Scorpio

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective, Receptive

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love

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

2.97-3.143.69-3.81

1 7.18

2.5 Fracture

Uneven, Conchoidal, Brittle

Not Available

2.6 Cleavage

{1011} Indistinct

1,1 ; 3,2.

2.7 Mohs Hardness

Not Available8.5

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)

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Pale yellow colorlessAnthony et al

Not Available

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.614-1.6661.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.014-0.0320.007-0.010

0 0.296

1.5 Clarity

Transparent

2 Benefits

2.1 Physical

2.1.1 Neurological

Not Available

2.1.2 Cardiovascular

Not Available

2.1.3 Respiratory

Not Available

2.1.4 Reproductive

Not Available

2.1.5 Digestive

Not Available

2.2 Psychology

Not Available

2.3 Healing

Not Available

2.4 Qualities Associated

Not Available

Uvite Vs Alexandrite Fracture

Fracture is an important parameter when you compare Uvite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Uvite Vs Alexandrite 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.

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Uvite Vs Alexandrite Luster

A primary knowledge about Uvite vs Alexandrite 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. Alexandrite, on other hand, exhibits Vitreous luster.