Opal

Dumortierite

Opal Vs Dumortierite

Opal

Dumortierite

Add ⊕

1 Astrology

1.1 Origin

Ethiopia

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

1.2 Color

Yellow, White, Red, Brown, Blue

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

1.3 Streak

White

1.4 For which Rashi?

Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Mercury

Saturn

1.6 Element of Planets

Earth, Air, Water

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

Receptive

1.9 Deities

Cupid

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Astral Projection, Psychicism

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

BrittleWalter Schumann

Not Available

2.2 Solubility

hot salt water

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

1.98-2.253.26-3.41

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

None

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

2.7 Mohs Hardness

5-6.57-8.5

2 10

2.8 Chemical Composition

SiO₂ · nH₂O

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

None

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

3.3 Dispersion

NoneNone

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Translucent to opaque

3.5 Refractive Index

1.37-1.521.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

Not Available0.011-0.037

0 0.296

3.9 Clarity

Transparent

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

Opal Vs Dumortierite Fracture

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

Compare Semi Precious Gemstones

Opal Vs Lehsunia

Opal Vs Amethyst

Opal Vs Alexandrite

Opal Vs Dumortierite Luster

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