Two gemstones.
Side by side.

GEMSTONE ONE

Brazilianite

Brazilianite: sodium aluminium phosphate mineral; Lemon yellow to yellow-green, sometimes colourless. Learn geological properties, identification and safe care.

Colour & appearance

Lemon yellow to yellow-green, sometimes colourless

Mineral family

sodium aluminium phosphate mineral

Mohs hardness

5.5

Representative source regions

Minas Gerais, Brazil; other phosphate pegmatites including Rwanda

Brazil Rwanda

Jewellery & care

Occasionally faceted for collector gems and protected pendants; avoid exposed rings because cleavage and softness make damage likely.

YellowGreenColourless

Read the Brazilianite 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.