rockIgneous

Gabbro

Gabbro is a dark, coarse-grained intrusive igneous rock composed mainly of plagioclase and pyroxene minerals.

Hardness: 6–7 Mohs

Quick Facts

Key properties and characteristics

Category

rock

Family

Igneous

Colors

Hardness

6–7 Mohs

Luster

subvitreous to dull

Transparency

opaque

Found In

India, South Africa, USA

Stone DNA

Property breakdown

Hardness
Mohs scale: 7
7.0/10
Durability
Resistance to wear
6.9/10
Luster
subvitreous to dull
5.0/10
Rarity
common
2.0/10
Density
3.3 g/cm³
6.6/10

Scores normalized to 10-point scale for comparison

Color Spectrum

Natural color variations

dark green
black
gray
dark greenblackgray

Origin Highlights

Where this stone is found

common
🇮🇳
IndiaPrimary
🇿🇦
South Africa
🇺🇸
USA
🇳🇴
Norway
🇧🇷
Brazil

+1 more locations

Crystal Structure

Molecular arrangement

Interlocking Crystalline

Multiple crystals fused together in matrix

GraniteMarbleGneissQuartzite

Geology Deep Dive

Formation & composition

Formation

Gabbro forms deep underground from the slow cooling of magma, allowing large mineral crystals to develop. It is a major component of the oceanic crust and large plutonic bodies.

🌋

Volcanic / Plutonic

5-30 km below surface

Mineral Composition

Plagioclase feldspar
pyroxene
minor olivine
Formation Timeline: Thousands to millions of years

Rashi & Planetary Match

Vedic astrology compatibility

💎
Birth Month: Not a traditional birthstone

Uses by Industry

Click to explore similar stones

4 industry applicationsClick any to see related stones

Commonly Confused With

How to tell them apart

🆚
Basaltvs Gabbro

Similar appearance

🆚
Dioritevs Gabbro

Similar appearance

🆚
Black Granitevs Gabbro

Similar appearance

Always verify with hardness test or expert examination

Formation & Geology

Gabbro forms through geological processes over millions of years. The unique conditions of temperature and pressure create its distinctive characteristics and crystal structure.

Understanding the geological origins helps appreciate the rarity and natural beauty of this stone.

Uses & Applications

Spiritual & Healing

While not traditionally used in Vedic astrology, some modern spiritual practitioners associate Gabbro with grounding energies and transformation. Its deep, earthy colors are believed to help anchor one's energy and promote stability. The stone is sometimes called 'Mystic Merlinite' when found with certain mineral inclusions, and is said to aid in spiritual growth and self-discovery. However, these associations are modern and not rooted in classical Vedic texts. Gabbro is occasionally used in meditation or placed in environments to foster a sense of calm and resilience. Its connection to the Earth's crust symbolizes endurance and the power of slow, steady change.

Affirmations

"I am grounded and resilient."

"I embrace transformation with stability."

Rituals & Practices

  • Place Gabbro in meditation spaces for grounding.
  • Carry a small piece for stability during change.
  • Use as a decorative stone in homes to promote calm.

The information provided is for educational purposes only and not intended as medical advice. Consult a qualified professional for health-related questions.

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RashiRocks App

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Scan the guide, save it to your profile, and use the app for stone scans, wearing reminders, and Rashi-aware jewelry ideas.

Data
Images
6 months ago

Stone data enriched using AI with gemology and Vedic astrology sources. Always verify with certified experts for important decisions.