Cassiterite

Alunite

Cassiterite Vs Alunite

Cassiterite

Alunite

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1 Astrology

1.1 Origin

Sri Lanka

Australia, Italy

1.2 Color

Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray

Yellow, Red, Reddish, Brown, Colorless, White, Yellow, Red, Reddish, Brown, Colorless, White, gray, White, gray, Reddish, White, gray, Reddish, White, gray, Reddish

1.3 Streak

White, Brownish, Brownish, White

White

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

2.2 Solubility

insoluble

Soluble

2.3 Durability

Not Available

2.4 Specific Gravity

6.86-7.032.6-2.9

1 7.18

2.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Conchoidal, Uneven

2.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

On {0001}, perfect

2.7 Mohs Hardness

6-73.5-4

2 10

2.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

KAl3(SO4)2(OH)6

3 Optical Properties

3.1 Luster

Adamantine, Greasy

Vitreous, Pearly

3.2 Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

Not Available

3.3 Dispersion

0.07NA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.990-2.1051.572

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Trigonal

3.8 Birefringence

0.096-0.0980.020

0 0.296

3.9 Clarity

Transparent

Not Available

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

Cassiterite Vs Alunite Fracture

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

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Cassiterite Vs Alunite Luster

A primary knowledge about Cassiterite vs Alunite 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. Cassiterite exhibits Adamantine and Greasy luster. Alunite, on other hand, exhibits Pearly and Vitreous luster.