Black Moonstone is a moonstone with a dark grey body color, which is consisted of microcline or sometimes orthoclase. In most directions, it shows a deep gray or black color. But when you turn it in the right direction, you will find a milky or silvery adularescence glow below the surface of the stone.
Hardness:
6 - 6.5
Density:
2.68 - 2.72 g/cm³
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Properties
Values
Market Price
How to Care
Characteristics
Cultural
Common Questions
General Info About Black Moonstone
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Physical Properties of Black Moonstone
Luster
Pearly, Vitreous
Diaphaneity
Transparent to translucent
Colors
Pale green, blue, colourless, grey-white
Magnetism
Non-magnetic
Tenacity
Brittle
Cleavage
Perfect
Fracture
Conchoidal, Uneven
Streak
White
Crystal System
Monoclinic
Hardness
6 - 6.5 , Hard
Density
2.68 - 2.72 g/cm³, Normal Weight
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Chemical Properties of Black Moonstone
Chemical Classification
Silicates
Formula
(Ca, Na)[Al(Al, Si)Si2O8]
Elements listed
Al, Ca, Na, O, Si
Optical Properties of Black Moonstone
Refractive Index
1.518-1.527
Birefringence
0.006-0.007
Pleochroism
None
Dispersion
0.012
Optical Character
Biaxial negative
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Rarity
Easy to obtain
Collection Recommendation
4.0 out of 5
Popularity
3.6
Aesthetic
4.0
Rarity
3.7
Sci-Cultural Value
4.0
The Market Price of Black Moonstone
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Clarity and weight are decisive factors affecting the price of black Moonstone. At around 2.5 cm in size, the price of a tumbled stone of average quality is usually $3-$10/piece. High-quality specimens can be seen with a prominent shimmer without obvious cracks, and it is often cut for jewelry. The price of black Moonstone cabochons with a diameter of about 1 cm is usually $1-$3/carat.
Rough/Tumbled Price
Smaller Than Hand (0-1.5in)
$2 - $8
Close Hand (1.5-3in)
$8 - $40
Equal To Hand (3-6in)
$40 - $70
Bigger Than Hand (>6in)
$70
How to Care for Black Moonstone?
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Durability
Nondurable
Scratch resistance
Poor
Toughness of Black Moonstone
Poor
Fair
Good
Excellent
Black Moonstone exhibits poor toughness owing to its perfect cleavage and layered structure, making it prone to splitting and chipping under stress or impact.
Stability of Black Moonstone
Sensitive
Stable
Black Moonstone demonstrates resilience under most daily use conditions such as water immersion, sunlight exposure, and dry environments. It also resists common stains well. However, care should be taken to avoid extreme heat and harsh chemicals.
More Care Tips of Black Moonstone
Characteristics of Black Moonstone
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Cultural Significance of Black Moonstone
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Healing Properties of Black Moonstone
Black Moonstone is a calming stone that is said to relieve stress and provide emotional healing. Its positive energy force may inspire creativity and cognitive thinking. It is believed to attract happiness, abundance, and success in both professional and personal aspirations. Use on the Third Eye and Solar Plexus chakras to help stimulate dreams and psychic abilities.
Common Questions People Also Ask
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