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Boulder Opal
Boulder Opal

Mottramite
Mottramite



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Boulder Opal
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Mottramite

Boulder Opal Vs Mottramite

Astrology

Origin

Australia
-

Color

White, Colorless, Blue, Red, Green, Yellow, Violet
Brown, Green, Yellow

Streak

-
Green, 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

-
Soluble

Durability

-
-

Specific Gravity

1.98-2.255.9
1 7.18
👆🏻

Fracture

Conchoidal
Sub-Conchoidal

Cleavage

None
None observed

Mohs Hardness

5-6.53
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
PbCu(VO4)(OH)

Optical Properties

Luster

-
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.370-1.4702.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.150
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

Supports heart health
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Confidence

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Transformation

Boulder Opal Vs Mottramite Fracture

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

Boulder Opal Vs Mottramite Luster

A primary knowledge about Boulder Opal vs Mottramite 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. Mottramite, on other hand, exhibits Greasy luster.