rock • Metamorphic

Gneiss

Gneiss is a banded metamorphic rock formed under high temperature and pressure, known for its distinctive alternating layers.

Hardness: 6–7 Mohs

Quick Facts

Key properties and characteristics

Category

rock

Family

Metamorphic

Colors

grey, white, pink, black, brown, red

Hardness

6–7 Mohs

Luster

vitreous to dull

Transparency

opaque

Found In

India, Norway, USA

Stone DNA

Property breakdown

Hardness
Mohs scale: 7
7.0/10
Durability
Resistance to wear
6.6/10
Luster
vitreous to dull
5.0/10
Rarity
common
2.0/10
Density
2.9 g/cm³
5.8/10

Scores normalized to 10-point scale for comparison

Color Spectrum

Natural color variations

grey
white
pink
black
brown
red
greywhitepinkblackbrownred

Origin Highlights

Where this stone is found

common
🇮🇳
IndiaPrimary
🇳🇴
Norway
🇺🇸
USA
🇧🇷
Brazil
🇨🇦
Canada

+2 more locations

Crystal Structure

Molecular arrangement

Interlocking Crystalline

Multiple crystals fused together in matrix

GraniteMarbleGneissQuartzite

Geology Deep Dive

Formation & composition

Formation

Gneiss forms when existing igneous or sedimentary rocks undergo intense heat and pressure, causing minerals to segregate into bands. This process, called metamorphism, typically occurs deep within the Earth's crust over millions of years.

🔥

Deep crustal transformation

10-40 km below surface

Mineral Composition

Quartz
feldspar
mica (biotite
muscovite)
and minor accessory minerals
Formation Timeline: Millions of years

Rashi & Planetary Match

Vedic astrology compatibility

💎
Birth Month: Not a traditional birthstone

Uses by Industry

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5 industry applicationsClick any to see related stones

Commonly Confused With

How to tell them apart

🆚
Schistvs Gneiss

Similar appearance

→
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Granitevs Gneiss

Similar appearance

→
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Marblevs Gneiss

Similar appearance

→
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Quartzitevs Gneiss

Similar appearance

→

Always verify with hardness test or expert examination

Formation & Geology

Gneiss 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

In spiritual circles, gneiss is admired for its story of metamorphosis—reminding us that change, though sometimes intense, can lead to beauty and strength. Its layered bands are seen as a metaphor for life's challenges and growth, making it a grounding stone for meditation and reflection. While not traditionally used in Vedic astrology, some modern practitioners use gneiss to foster resilience and stability, especially in spaces needing a sense of permanence. Its presence in ancient monuments and natural landscapes further connects it to themes of legacy and endurance.

Affirmations

"I am resilient through change."

"I embrace transformation."

"I find strength in my layers."

Rituals & Practices

  • •Place gneiss in meditation spaces for grounding energy.
  • •Use as a decorative stone in homes to symbolize stability.
  • •Hold during reflection to connect with endurance and transformation.

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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Data
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1 months ago

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

Gneiss – Metamorphic Rock | RashiRocks