Black Onyx Stone: Properties, Benefits & Meanings

Black Onyx Stone
Black Onyx Stone

Black Onyx Stone Overview

Black onyx is a form of chalcedony, a cryptocrystalline form of quartz. This variety of onyx has a deep black color.

It is a very popular stone for jewelry making because of its beautiful deep black color. It’s also very durable so it can be worn daily and in any weather conditions.

This article will take a look into the properties, uses, and meanings of the Black Onyx Stone.

  • Variety of: Chalcedony
  • Wearability: Fair
  • Symbols: Grounding, Stability, Protection
  • Color: Black
  • Hardness: 6.5 – 7
  • Birthstone: None

What Is Black Onyx?

Black Onyx stone is formed when silica-rich groundwater flows through cavities in volcanic rock, depositing silica. The result is a banded stone with alternating layers of dark and light colors. It is a variety of Onyx, which is a further subtype of the Chalcedony family.

It is known as the gem of strength and determination. It is believed to increase a person’s power to focus on tasks, especially those difficult or demanding.

What Does The Word Onyx Mean (Etymology)?

The name ‘onyx’ comes from the Greek word ‘onux,’ which means fingernail. It got its name because it was used by the Greeks to make signet rings.

Black Onyx Appearance

Black Onyx stone is a very dark, nearly opaque variety of chalcedony. It is typically banded with thin alternating black and white or brown layers but can also be found in solid shades of black or brown. The bands are often parallel but may also be irregularly spaced.

It is a very popular stone used in jewelry and is often used to make pendants, rings, and other types of personal adornment. It can also be carved into small sculptures or figurines that are pretty lovely. A black onyx stone bracelet is the most popular use for this stone.

Dark green onyx is sometimes confused with black onyx stones.

Physical Properties Of The Black Onyx stone

Mineral GroupQuartz
Chemical nameSilicon dioxide
Hardness (Mohs scale)6.5 – 7
Refractive Index1.53 – 1.54
Specific Gravity2.6 – 2.65
TransparencyOpaque/ Translucent
Table of Black Onyx Physical Properties

Where Can You Find The Black Onyx stone?

The Black Onyx stone is most commonly found around these parts of the world.

  • Afghanistan
  • Argentina 
  • Australia 
  • Brazil 
  • Canada 
  • China 
  • Czech Republic
  • France 
  • Germany 
  • India 
  • Madagascar 
  • Russia 
  • UK 
  • USA
Black Onyx Mapchart
Black Onyx Map chart

How To Tell If A Black Onyx stone Is Real?

  1. scratch test is the most common way to tell if your Onyx stone is natural. If you have access to a small magnet, you can also use it for this test. Rub the stone with your finger and then scratch or rub it against something hard—like concrete or metal. A real Black Onyx will show no scratching, while either substance will easily scratch a fake one.
  2. The acetone test can also tell if one of these stones is real. Put a few drops of acetone onto the surface of your stone and wait for it dry. If any residue is left behind after it dries, then you know it’s fake.
  3. flame test can also tell authenticity. Hold your stone over a flame and see if it starts to burn or melt. If it does, then you know that it’s not real.
  4. The color of your gemstone should be consistent and not have any discoloration. If it does, then there’s likely something wrong with it.
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Black onyx multiple stones
Black onyx multiple stones

Black Onyx stone Value

Synthetic stones cost only $6 per carat, while natural stones cost around $40.

For small black onyx stones, the price ranges from $3–$6 per carat. Large ones can be anywhere from $36 to $100/carat—or more!

This stone can be found in many different sizes and shapes. Black Onyx is valued for its hardness, color, and beauty.

Color: Black Onyx can be found in various colors, including shades of black, brown, greenish-black, and even blue. The most common type is jet black or deep midnight black. This stone can also be found in red and white varieties as well.

Luster: A stone’s luster refers to how it reflects light and color. It has a waxy luster, which means that it reflects light in a very soft way. This makes the stone appear smooth and glossy, with a soft glow that catches the eye.

Cut: It can be found in many shapes and sizes, including round or oval cabochons and faceted stones. This stone’s most common type of cut is rectangular or square because of its natural shape. How an onyx is cut can also affect its value. For example, if it has been polished to a high shine and has no cracks, chips, or other visible imperfections, it will be worth more than one poorly cut.

Size: The size of an onyx stone can affect its value. Larger stones are more desirable because they can be used in more applications, while smaller ones may not be as versatile.

Quality: The quality of a stone is another factor that can affect its value. A high-quality stone will be free of chips, cracks, or other visible imperfections. It should also have a good cutting grade and may even be polished to a high shine.

Chakra Connection

Black Onyx stone Chakra Connection

The Black Onyx stone is associated with the Root Chakra, which helps us establish a sense of safety and security in our lives. It also helps us connect to the earth and provides stability when we feel insecure or anxious.

The root chakra is also referred to as the First Chakra, Base chakra, or Muladhara in Sanskrit.

The location for the root chakra is at the base of the spine, below the sacrum bone, and above the pelvic bone. It is associated with issues of survival, safety, and security. It also represents our connection to Mother Earth and provides stability in times of change or transition.

Is The Black Onyx stone a birthstone?

No, Black onyx is not related to any month. However, it is the stone of Leo and is related to the planet Saturn. Because Leos are already confident and charismatic, Black Onyx aids them in dealing with insecurities—especially jealousy. It is also known as a grounding stone; Leos can get their feet back on the ground and avoid clingy or controlling behaviors.

Black Onyx stone Meaning And Uses

The Black Onyx meaning is linked to the root chakra and its feng shui. It has a calming energy and can help you to deal with emotions such as anger or sadness by releasing them. This makes it an excellent gift for people prone to mood swings or having trouble controlling their emotions.

The black color of Onyx is also associated with the element of earth, so wearing this gemstone will connect you with nature.

It is also believed to positively affect physical healing, such as releasing stress, boosting your immune system, and healing the body.

Wearing black onyx can help you accept responsibility for your actions, so if you’re having trouble taking ownership of what you did or didn’t do, this stone can help you see things more clearly.

As a stone of protection, it can help you to get rid of negative energy. In addition, this Onyx stone is associated with the root chakra, so wearing this gemstone will bring balance and stability into your life.

It is also associated with Saturn and the element of earth. Therefore this stone can bring stability into your life, especially if you feel like it’s been a bit chaotic lately.
This protective stone is incredible for grounding during meditation as it will help you to focus on what’s occurring in the present instead of worrying about the future or dwelling on past mistakes.

Find out the black onyx meaning is therapy for the soul.

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Black Onyx jewelry
Black Onyx jewelry

How To Take Care Of Black Onyx stone Jewelry?

A Black onyx bracelet or ring is often sold at online markets. It is an excellent use for this precious stone, but you can also wear a black onyx stone directly.

  • Rinse thoroughly with lukewarm water and dry with a soft cloth.
  • Do not use silver cleaning solutions or ultrasonic cleaners, as these can damage the finish on your jewelry.
  • Do not expose your crystal jewelry to extreme temperatures.
  • Burn white sage to remove any excess negative energy trapped in your jewelry. You can also cleanse crystal jewelry with white sage or burning incense and smudge it with a feather. Place the jeweled ornament in a bowl of water mixed with sea salt and leave overnight to clear any lingering energy.
  • Do not wear jewelry during heavy exercise.
  • Store it in a cool, dry place.


Which Gemstones Go Best With The Black Onyx stone?

Black Onyx gemstone is a powerful stone and can stand on its own. It’s great for someone who doesn’t have much experience with crystal healing or wearing jewelry. However, if you do want to use other crystals in conjunction with this Onyx gemstone, here are some of the best stones to pair it with:
Black Onyx + AmethystThis is a classic combination that works well together because they both have similar properties of cleansing negativity and calming stress.
Black Onyx + Pearl: Pearls are known for their cleansing properties. They can help remove any negative energy from the body and keep it clear. So if you’re looking for something to pair with this Onyx, a pearl is one of the best options.
Black Onyx + Moonstone: Moonstone is known for its ability to balance the mind and emotions. It can help you focus when you need it most and calm your anxiety during times of stress.

What Is The Black Onyx stone Good For?

Black Onyx is a stone of protection, grounding, and mental clarity. It absorbs negative energies and protects against supernatural attacks. Black Onyx also helps you feel more secure about yourself and your surroundings, which can help you feel calm in stressful situations.
You can also wear black onyx marble as jewelry to absorb negative energy around you.

What Are The Healing Properties Of The Black Onyx stone?

Black Onyx is not primarily related to healing. However, it helps you feel more secure about yourself and your surroundings, which can help you feel calm in stressful situations.

How Hard Is The Black Onyx stone?

The Black Onyx stone has a hardness of 6.5-7 on the Mohs scale, which means it cannot be scratched quickly, thus making it a good choice for jewelry.

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