Two gemstones.
Side by side.

GEMSTONE ONE

Aegirine

Aegirine is known for long, striated green-black prisms with a strongly directional appearance. Read the identification, handling and collector-use guide.

Colour & appearance

Dark green to black, sometimes brown

Mineral family

Sodium iron pyroxene

Mohs hardness

6

Representative source regions

Norway; Greenland; Malawi

Norway Greenland Malawi

Jewellery & care

Collectors and protected display settings; delicate points are vulnerable despite a Mohs hardness near six.

GreenBlackBrown

Read the Aegirine guide

GEMSTONE TWO

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 secu...

Colour & appearance

Blue and other colours

Mineral family

Corundum (Al₂O₃)

Mohs hardness

9

Representative source regions

Sri Lanka, Madagascar, Myanmar, Australia, Thailand and Montana in the United States are recognised sources. The Kashmir region is historically famous for highly valued blue sapphires.

Sri Lanka Madagascar Myanmar Australia Thailand United States

Jewellery & care

Choose the style and setting to suit the specific stone, treatment information and intended use.

Blue

Read the Sapphire guide

Hardness measures scratch resistance, not breakage. Source regions are educational examples, not claims about the provenance of an individual GEMHOOD product. Images may be digital gemstone illustrations.