Moissanite

Alexandrite

Moissanite Vs Alexandrite

Moissanite

Alexandrite

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1 Astrology

1.1 Origin

Southern and central Africa

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

Greenish, Blue, Colorless, Green, Yellow

Green

1.3 Streak

Greenish, gray

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

none

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.17-3.243.69-3.81

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

(0001) indistinct

1,1 ; 3,2.

2.7 Mohs Hardness

9-9.58.5

2 10

2.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Adamantine

Vitreous

3.2 Pleochroism

NilArthur Thomas

Not Available

3.3 Dispersion

0.10NA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Transparent to nearly opaque

3.5 Refractive Index

2.648-2.6911.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

6H polytype

Orthorhombic

3.8 Birefringence

0.0430.007-0.010

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Moissanite Vs Alexandrite Fracture

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

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Moissanite Vs Alexandrite Luster

A primary knowledge about Moissanite 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. Moissanite exhibits Adamantine luster. Alexandrite, on other hand, exhibits Vitreous luster.