Dolomite

Gahnite

Dolomite Vs Gahnite

Dolomite

Gahnite

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1 Astrology

1.1 Origin

Spain, Southern and central Africa

Australia

1.2 Color

White, White, gray, Reddish, Brownish, gray

Blue, Green, Greenish, Black

1.3 Streak

White

Grey, gray

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

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

Poorly soluble in dilute HCl

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.80-2.954.00-4.62

1 7.18

2.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Conchoidal, Uneven

2.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

Indistinct parting on [111]

2.7 Mohs Hardness

3.5-47.5-8

2 10

2.8 Chemical Composition

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

NilArthur Thomas

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.498-1.6811.790-1.818

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

cubic

3.8 Birefringence

0.179-0.181Not Available

0 0.296

3.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

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

Dolomite Vs Gahnite Fracture

Fracture is an important parameter when you compare Dolomite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dolomite Vs Gahnite 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 Dolomite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Gahnite fracture is Conchoidal and Uneven.

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Dolomite Vs Gahnite Luster

A primary knowledge about Dolomite vs Gahnite 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. Dolomite exhibits Pearly and Vitreous luster. Gahnite, on other hand, exhibits Vitreous luster.