Alunite

Spinel

Alunite Vs Spinel

Alunite

Spinel

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1 Astrology

1.1 Origin

Australia, Italy

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

1.2 Color

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

Blue, Violet, Colorless, Red, Green, Brown

1.3 Streak

White

1.4 For which Rashi?

Not Available

Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio

1.5 Planet

Not Available

Pluto

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

Projective

1.9 Deities

Not Available

Hephaestus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Money

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

Soluble

none

2.3 Durability

Not Available

2.4 Specific Gravity

2.6-2.93.64-3.66

1 7.18

2.5 Fracture

Conchoidal, Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

On {0001}, perfect

None, but may exhibit slight parting

2.7 Mohs Hardness

3.5-48

2 10

2.8 Chemical Composition

KAl3(SO4)2(OH)6

MgAl₂O₄

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Not Available

Absent

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Not Available

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.5721.73

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Isometric

3.8 Birefringence

0.020Not Available

0 0.296

3.9 Clarity

Not Available

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

Alunite Vs Spinel Fracture

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

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Alunite Vs Spinel Luster

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