Tanzanite

Bertrandite

Tanzanite Vs Bertrandite

Tanzanite

Bertrandite

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1 Astrology

1.1 Origin

Tanzania, Yellow, green, Yellow, green

Not Available, Southern and central Africa

1.2 Color

Blue

Colorless, Colorless, Yellow

1.3 Streak

White, Colorless

White

1.4 For which Rashi?

Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Air, Water, Earth

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive, Projective

Not Available

1.9 Deities

Goddess

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love, Healing

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Hard

Not Available

2.4 Specific Gravity

3.352.59-2.60

1 7.18

2.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

Perfect {010}, imperfect {100}

{001} Perfect, {110} Distinct, {101} Distinct

2.7 Mohs Hardness

6.5-76-7

2 10

2.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Present

none.

3.3 Dispersion

0.03NA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.685-1.7071.583-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

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

3.8 Birefringence

0.006-0.018Not Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentAnthony et al

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Tanzanite Vs Bertrandite Fracture

Fracture is an important parameter when you compare Tanzanite and Bertrandite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tanzanite Vs Bertrandite 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 Tanzanite is Conchoidal, Gemstones of the world (2001), Uneven and UnevenWalter Schumann. Bertrandite fracture is Brittle, Brittle, Metallic and Metallic.

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Tanzanite Vs Bertrandite Luster

A primary knowledge about Tanzanite vs Bertrandite 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. Tanzanite exhibits Vitreous luster. Bertrandite, on other hand, exhibits Vitreous luster.