Spinel

A gem species in red, pink, violet, blue and other colours. Historically confused with ruby.

Composition: MgAl2O4
Hardness: 8 on the Mohs scale · scratch resistance, not toughness
Birthstone: August
Care: Clean gently with a soft cloth and mild soapy water; rinse briefly and dry. Avoid heat, chemicals, ultrasonic cleaning and hard impacts. Ask about treatments before cleaning.
Symbolic: Confidence · Root chakra. Design vocabulary, not a physical effect.

Mineral reference ↗

Pairs well with

Stones that share its meaning.

Garnet

Garnet group · Mohs 6.5–7.5

Grounding · Confidence

Bloodstone

Chalcedony · Mohs 6.5–7

Grounding · Confidence

Ruby

Corundum · Mohs 9

Confidence · Connection

Peridot

Olivine · Mohs 6.5–7

Confidence · Connection

Gem properties describe materials. Chakra and intention pairings are symbolic traditions and Mulu design choices, not measured energy or medical effects. Stones are not proven to treat disease or improve sleep.