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Boulder Opal
Boulder Opal

Andradite
Andradite



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Boulder Opal
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Andradite

Boulder Opal Vs Andradite

Astrology

Origin

Australia
Italy, Russia

Color

White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray

Streak

-
White

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

-
-

Durability

-
-

Specific Gravity

1.98-2.253.70-4.10
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

None
none

Mohs Hardness

5-6.56.5-7
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

-
Adamantine, Resinous

Pleochroism

-
-

Dispersion

0.010.06
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.370-1.4701.88-1.94
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic

Birefringence

-99990.057
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

Supports heart health
Supports heart health

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Positivity

Healing

Emotional healing
Physical healing

Qualities Associated

Creativity
Empowerment

Boulder Opal Vs Andradite Fracture

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

Boulder Opal Vs Andradite Luster

A primary knowledge about Boulder Opal vs Andradite 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. Andradite, on other hand, exhibits Adamantine and Resinous luster.