Natural specimen, illustrative.
Diaspore · Mohs 6.5–7
Diaspore
An aluminium oxyhydroxide that may show colour change. Zultanite is a trade name; identity needs item-level confirmation.
- Composition
- AlO(OH)
- Hardness
- 6.5–7 on the Mohs scale · scratch resistance, not toughness
- Birthstone
- No modern month assignment
- 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
- Reflection · Heart chakra. Design vocabulary, not a physical effect.
Pairs well with
Stones that share its meaning.
Amethyst
Quartz · Mohs 7
Calm · Evening ritual · Reflection
Emerald
Beryl · Mohs 7.5–8
Connection
Pearl
Organic gem · Mohs 2.5–4.5
Calm · Connection
Moonstone
Feldspar · Mohs 6–6.5
Evening ritual · ReflectionGem 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.