Two gemstones.
Side by side.

GEMSTONE ONE

Eudialyte

Eudialyte is known for raspberry-red massive patches in black-and-white syenite, or small glassy red crystals. Read the identification, handling and collector-use guide.

Colour & appearance

Rose red, cherry red, pink or brownish red

Mineral family

Eudialyte group zirconosilicate

Mohs hardness

5–6

Representative source regions

Russia (Kola Peninsula); Greenland; Canada

Russia Greenland Canada

Jewellery & care

Cabochons and pendants with protective settings are possible, but softer than quartz and vulnerable to sharp impacts.

Red

Read the Eudialyte 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.