Mottramite

Jacobsite

Mottramite Vs Jacobsite

Mottramite

Jacobsite

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Astrology

Origin

Southern and central Africa

Color

Brown, Green, Yellow

Black, Brownish, White, Brown

Streak

Green, Brownish

Reddish, Black

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

5.94.76-5.03

1 7.18

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Fracture

Sub-Conchoidal

Conchoidal

Cleavage

None observed

None

Mohs Hardness

35.5-6.5

2 10

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Chemical Composition

PbCu(VO4)(OH)

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Greasy

Pleochroism

Visible X=Y= canary yellow to greenish yellow

Dispersion

0.040.03

0.005 1

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Transparency

Translucent

Refractive Index

2.170-9999

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.150-9999

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Confidence

Insight

Healing

Emotional healing

Qualities Associated

Transformation

Grounding

Mottramite Vs Jacobsite Fracture

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

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Mottramite Vs Jacobsite Luster

A primary knowledge about Mottramite vs Jacobsite 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 exhibits Greasy luster.