Dumortierite

Hematite

Dumortierite Vs Hematite

Dumortierite

Hematite

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1 Astrology

1.1 Origin

Southern and central Africa, violet, blue, violet, blue

Southern and central Africa

1.2 Color

Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink

Black, Reddish, gray, Red

1.3 Streak

White

Black, Brown, Reddish, Red

1.4 For which Rashi?

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

Aries, Aquarius, Aries, Aquarius, Aries, Aquarius

1.5 Planet

Saturn

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Projective

1.9 Deities

Isis

Mars

1.10 Not to wear with

Not Available

1.11 Powers

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

3.26-3.415.00-5.30

1 7.18

2.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

2.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

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

2.7 Mohs Hardness

7-8.56

2 10

2.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Fe 2O 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

O = brownish red; E = yellowish red

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent, Translucent to opaque

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

3.5 Refractive Index

1.669-1.7232.690-3.220

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.011-0.0370.280

0 0.296

3.9 Clarity

Translucent

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

Dumortierite Vs Hematite Fracture

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

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Dumortierite Vs Hematite Luster

A primary knowledge about Dumortierite 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. Dumortierite exhibits Vitreous luster.