Cryolite

Londonite

Cryolite Vs Londonite

Cryolite

Londonite

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1 Astrology

1.1 Origin

Not Available

Madagascar

1.2 Color

Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown

White, Colorless, Yellow

1.3 Streak

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

Not Available

2.2 Solubility

Soluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.973.34

1 7.18

2.5 Fracture

Uneven

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

2.6 Cleavage

None observed

None

2.7 Mohs Hardness

2.5Not Available

2 10

2.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous, Greasy, Pearly

Vitreous

3.2 Pleochroism

colorless.

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent

3.5 Refractive Index

1.338-1.339Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

0.001Not Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

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

Cryolite Vs Londonite Fracture

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

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Cryolite Vs Londonite Luster

A primary knowledge about Cryolite vs Londonite 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. Cryolite exhibits Greasy, Pearly and Vitreous luster. Londonite, on other hand, exhibits Vitreous luster.