Cassiterite

Opal

Cassiterite Vs Opal

Cassiterite

Opal

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Astrology

Origin

Sri Lanka

Ethiopia

Color

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

Yellow, White, Red, Brown, Blue

Streak

White, Brownish

White

For which Rashi?

Cancer, Libra, Scorpio

Planet

Mercury

Element of Planets

Earth, Air, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Cupid

Not to wear with

Powers

Astral Projection, Psychicism

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

BrittleWalter Schumann

Solubility

insoluble

hot salt water

Durability

Specific Gravity

6.86-7.031.98-2.25

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal

Cleavage

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

None

Mohs Hardness

6-75-6.5

2 10

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Chemical Composition

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

SiO₂ · nH₂O

Optical Properties

Luster

Adamantine, Greasy

Vitreous, Pearly

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

None

Dispersion

0.070.01

0.005 1

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Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.990-2.1051.37-1.52

1 3.25

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Optic Character

Crystal System

tetragonal

Trigonal

Birefringence

0.096-0.098-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Poor

Reproductive

Digestive

Psychology

Focus

Creativity

Healing

Emotional healing

Qualities Associated

Manifestation

Creativity

Cassiterite Vs Opal Fracture

Fracture is an important parameter when you compare Cassiterite and Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Cassiterite Vs Opal 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 Subconchoidal, Uneven, Conchoidal and Irregular. Opal fracture is Conchoidal.

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Cassiterite Vs Opal Luster

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