GEMSTONE ENCYCLOPEDIA
Sapphire
Sapphire is a gem variety of corundum, often associated with blue but also found in other colours. Its hardness makes it an enduring jewellery material, although the security of a...
ColourBlue and other colours
Mohs hardness9
Mineral familyCorundum (Al₂O₃)
BirthstoneSeptember
What is Sapphire?
Sapphire is a gem variety of corundum, often associated with blue but also found in other colours. Its hardness makes it an enduring jewellery material, although the security of a ring setting and the presence of treatments are important to evaluate before purchase.
History and cultural context
Sapphires have historical connections with ceremonial jewellery. In modern gift traditions they are often chosen to symbolise faithfulness or continuity; symbolism is not a product-performance claim.
Colour and appearance
Blue and other colours
Traditional meaning and symbolism
Often symbolises loyalty
Jewellery suitability
Choose the style and setting to suit the specific stone, treatment information and intended use.
Caring for Sapphire
Clean gently according to the stone and setting. Check with a qualified jeweller before using mechanical cleaners, especially when treatments or fractures are unknown.
Cleaning guidance
Clean gently according to the stone and setting. Check with a qualified jeweller before using mechanical cleaners, especially when treatments or fractures are unknown.
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References and further reading
- https://www.gia.edu/gem-encyclopedia
Traditional meanings are cultural associations, not proven medical benefits.