Black brown onyx

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Black onyx cabochon 30x22

4.00 / unit(s) *

Black Onyx Raw Mineral Packet

Weight per package: 170 gr.
Weight for each stone: 50 gr. approx
Measure: 6.0x3,8x2,0 cm approx.

6.00 / Package(s) *

Chakra 7 Tumbled Stone (Medium)

Stone size: 30-35mm approx.

10.00 / Package(s) *

Onyx Mala Beads

4.00 / pair(s) *

Raw mineral black onyx

3.00 / unit(s) *


3.00 *


3.00 *

Black Onyx Thumb Stone 30X40mm

Size: Height: 40mm approx.
           Width: 30mm approx.
4.00 / unit(s) *

Onyx Cabochon 6mm

1.00 / unit(s) *

Black onyx cabochon 40x30

8.00 / unit(s) *

Onyx Cabochon 10mm

2.50 / unit(s) *

Black onyx tumbled rosary

18.00 / unit(s) *

Black Onyx Crystal Skull 3,1X3,7Cm

Height: 3.7 cm
Width: 3.1 cm
Depth: 4.8 cm
Weight: 65 gr. approx.
27.00 / unit(s) *

Tumbled Black Onix 200 gr. Packet 200 gr

200 gr. packets
Sizes between 20x18 mm
The word "onyx" comes from the Greek "onyx" (nail).

4.00 / Package(s) *

Tumbled 2e Sadonyx Light Green

2.00 / unit(s) *

Sardonyx Thumbled Stone Pendant with Hole

Sardonyx tumbled pendant with hole
40 years of minerals, crystalshop - rockshop in the center of Barcelona and online
6.00 / unit(s) *


3.00 *


2.00 *


5.00 *

Tumbled 4e Green Sadonyx

4.00 / unit(s) *

Tumbled 1e Sadonyx

Sizes and weight approx:20x19x8mm-7,2gr
It's a type of onyx.
The photo is a random sample.

1.00 / unit(s) *

Tumbled 3e Sadonyx

3.00 / unit(s) *

Tumbled 3e Green Sadonyx

3.00 / unit(s) *

Tumbled Size 1 Green Onyx

1.00 / unit(s) *

Tumbled Size 1 Black Onyx

1.00 / unit(s) *

Tumbled 1e Black Onyx

1.00 / unit(s) *

Tumbled 2e Black Onyx

2.00 / unit(s) *

Prices include VAT

Black brown onyx

ETYMOLOGY: It comes from the greek "onux" meaning nail.


PRINCIPLE OF FORMATION: Primary / secundary.

CLASS MINERAL: Oxides, quartz group


HARDNESS: 7 on the Mohs scale.

FIELDS: Brazil, India, Russia, Asia Minor.


MINERALOGY: A variety of agate, the most important variety of chalcedony (sardine). It is a type of onyx characterized by two or more layers of milky chalcedony and transparent red ruby, although sometimes strong color coat is golden or brown. The black onyx and red-brown is formed by the inclusion of iron and manganese, originates hydrothermally hollow cavities in the rocks.


MYTHOLOGY: The name is mentioned once in the Bible, in Revelation 21: 2, 19, 20, which states that the fifth foundation stone of the "holy city, New Jerusalem," is a birthstone. The red-brown (sardonyx) and black onyx was highly valued in Rome, especially for seals, because it was said to never stick to the wax. The Roman general Publius Cornelius Scipio was known for wearing large amounts of birthstone.


PROPERTIES: It is said that the black onyx, red-brown (birthstone), provides strength and protection, is a stone that attracts friends and good luck, mentally improves the perception and assimilation capacity, gives us stability, confidence in ourselves and in others, it helps us to overcome the pains and brings joy to pass on to others, the black onyx red-brown (sardonyx) overcoming power, strengthens the will, makes us kind and generous.



CHAKRAS: Sacral.


USES: Jewellery, meditation, collection, ornamental stone.