Tanzanite

Lapis lazuli

Tanzanite Vs Lapis lazuli

Tanzanite

Lapis lazuli

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1 Astrology

1.1 Origin

Tanzania, Yellow, green, Yellow, green

Afghanistan

1.2 Color

Blue

Violet, Blue, White

1.3 Streak

White, Colorless

Blue

1.4 For which Rashi?

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

Sagittarius

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Air, Water, Earth

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive, Projective

Receptive

1.9 Deities

Goddess

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Love, Healing

Protection, Courage

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

3.352.50-3.00

1 7.18

2.5 Fracture

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

Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

Perfect {010}, imperfect {100}

3,6

2.7 Mohs Hardness

6.5-75.5

2 10

2.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Greasy

3.2 Pleochroism

Present

AbsentWalter Schumann

3.3 Dispersion

0.03None

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Opaque

3.5 Refractive Index

1.685-1.7071.500-1.670

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.006-0.018Not Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemstones of the world (2001)

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 Lapis lazuli Fracture

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

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Tanzanite Vs Lapis lazuli Luster

A primary knowledge about Tanzanite vs Lapis lazuli 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. Lapis lazuli, on other hand, exhibits Greasy and Vitreous luster.