Alexandrite

Hematite

Alexandrite Vs Hematite

Alexandrite

Hematite

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1 Astrology

1.1 Origin

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

Southern and central Africa

1.2 Color

Green

Black, Reddish, gray, Red

1.3 Streak

Not Available

Black, Brown, Reddish, Red

1.4 For which Rashi?

Scorpio

Aries, Aquarius, Aries, Aquarius, Aries, Aquarius

1.5 Planet

Venus

Saturn

1.6 Element of Planets

Earth

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

Projective

1.9 Deities

Not Available

Mars

1.10 Not to wear with

Not Available

1.11 Powers

Love

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.69-3.815.00-5.30

1 7.18

2.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

2.6 Cleavage

1,1 ; 3,2.

None, may show partings on {0001} and {10 1 1}

2.7 Mohs Hardness

8.56

2 10

2.8 Chemical Composition

BeAl ₂ O ₄

Fe 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Not Available

O = brownish red; E = yellowish red

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Transparent to nearly opaque

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

3.5 Refractive Index

1.739-1.7702.690-3.220

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.007-0.0100.280

0 0.296

3.9 Clarity

Transparent

OpaqueHerve Nicolas Lazzarelli

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

Alexandrite Vs Hematite Fracture

Fracture is an important parameter when you compare Alexandrite and Hematite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Hematite 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. Hematite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.

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Alexandrite Vs Hematite Luster

A primary knowledge about Alexandrite vs Hematite 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. Alexandrite exhibits Vitreous luster.