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Cassiterite
Cassiterite

Boulder Opal
Boulder Opal



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Cassiterite
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Boulder Opal

Cassiterite Vs Boulder Opal

Astrology

Origin

Sri Lanka
Australia

Color

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

Streak

White, Brownish
-

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

insoluble
-

Durability

-
-

Specific Gravity

6.86-7.031.98-2.25
1 7.18
👆🏻

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
👆🏻

Chemical Composition

SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Adamantine, Greasy
-

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
-

Dispersion

0.070.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.990-2.1051.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.096-0.098-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
Supports heart health

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Focus
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Manifestation
Creativity

Cassiterite Vs Boulder Opal Fracture

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

Cassiterite Vs Boulder Opal Luster

A primary knowledge about Cassiterite vs Boulder 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.