Dumortierite

Esperite

Dumortierite Vs Esperite

Dumortierite

Esperite

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1 Astrology

1.1 Origin

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

USA

1.2 Color

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

White

1.3 Streak

White

1.4 For which Rashi?

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

Not Available

1.5 Planet

Saturn

Not Available

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

Not Available

1.9 Deities

Isis

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Healing

Not Available

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

3.26-3.414.28-4.42

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

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

Distinct on [010] and [100] poor on [101]

2.7 Mohs Hardness

7-8.55-5.5

2 10

2.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

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

colorless.

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent, Translucent to opaque

OpaqueAnthony et al, Opaque, Transparent

3.5 Refractive Index

1.669-1.7231.760-1.774

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

0.011-0.0370.012

0 0.296

3.9 Clarity

Translucent

OpaqueAnthony et al

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 Esperite Fracture

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

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Dumortierite Vs Esperite Luster

A primary knowledge about Dumortierite vs Esperite 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. Esperite, on other hand, exhibits Vitreous luster.