Natural specimen, illustrative.
Hydrated silica · Mohs 5.5–6.5
Pink opal
Soft candy-pink opal with a gentle milky glow and flecks of play-of-colour. The October stone in its most romantic shade.
- Composition
- SiO2 · nH2O
- Hardness
- 5.5–6.5 on the Mohs scale · scratch resistance, not toughness
- Birthstone
- October
- 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
- Connection, Creativity · Heart chakra. Design vocabulary, not a physical effect.
Pairs well with
Stones that share its meaning.
Emerald
Beryl · Mohs 7.5–8
ConnectionPearl
Organic gem · Mohs 2.5–4.5
Calm · ConnectionRuby
Corundum · Mohs 9
Confidence · ConnectionPeridot
Olivine · Mohs 6.5–7
Confidence · ConnectionGem 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.




