Biotite

Dumortierite

Biotite Vs Dumortierite

Biotite

Dumortierite

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1 Astrology

1.1 Origin

Not Available

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

1.2 Color

Brown, Yellow, White, Brown, Greenish, Yellow, White

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

1.3 Streak

White, gray

White

1.4 For which Rashi?

Not Available

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Not Available

Saturn

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.7-3.33.26-3.41

1 7.18

2.5 Fracture

Uneven, Even, Yellow, White

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

2.6 Cleavage

Perfect on the {001}

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

2.7 Mohs Hardness

2.5-3.07-8.5

2 10

2.8 Chemical Composition

K(Mg,Fe++)3[AlSi3O10(OH,F)2

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Strong

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

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Not Available

Translucent, Translucent to opaque

3.5 Refractive Index

1.565-1.6251.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Orthorhombic

3.8 Birefringence

0.03-0.070.011-0.037

0 0.296

3.9 Clarity

Not Available

Translucent

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

Biotite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Biotite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Biotite Vs Dumortierite 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 Biotite is Even, Uneven, White and Yellow. Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

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Biotite Vs Dumortierite Luster

A primary knowledge about Biotite vs Dumortierite 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. Biotite exhibits Pearly and Vitreous luster. Dumortierite, on other hand, exhibits Vitreous luster.