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Bertrandite
Bertrandite

Amblygonite
Amblygonite



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Bertrandite
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Amblygonite

Bertrandite Vs Amblygonite

Astrology

Origin

Southern and central Africa
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.

Color

Colorless, Yellow
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish

Streak

White
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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.59-2.602.98-3.10
1 7.18
👆🏻

Fracture

-
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

Cleavage

{001} Perfect, {110} Distinct, {101} Distinct
[100] Perfect, [110] Good, [011] Distinct

Mohs Hardness

6-76
2 10
👆🏻

Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

none.
weak to none

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

TransparentAnthony et al
-

Refractive Index

1.583-1.6141.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Triclinic

Birefringence

-99990.020-0.030
0 0.296
👆🏻

Clarity

TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

Promotes mental clarity
-

Respiratory

-
Excellent

Reproductive

-
Supports reproductive health

Digestive

-
-

Psychology

Harmony
Peace

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Peace

Bertrandite Vs Amblygonite Fracture

Fracture is an important parameter when you compare Bertrandite and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Bertrandite Vs Amblygonite 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. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal.

Bertrandite Vs Amblygonite Luster

A primary knowledge about Bertrandite vs Amblygonite 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. Bertrandite exhibits Vitreous luster. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.