Stone Grades

• Pounamu (nephrite and bowenite) without visible mineral inclusions such as iron.
• No visual fractures compromising structural integrity.
• Deep, vivid or bright colour character.

• Pounamu (nephrite and bowenite) without visual mineral inclusions such as iron.
• Some visual fratures complimenting stone by creating character.
• No visual fractures compromising structural integrity.
• Deep, vivid or bright colour character.

• Pounamu with minor scattered visible mineral inclusions such as iron.
• Some visual fratures complimenting stone by creating character. No visual fractures compromising structural integrity.
• Deep, vivid or bright colour character.
• Includes Kokopu variety that are hard, tight stone, without visible fractures.

• Pounamu with medium visible mineral inclusions such as iron.
• Some visual fratures complimenting stone by creating character. No visual fractures compromising structural integrity.
• Less Deep, vivid or bright colour character.
• Includes Kokopu variety that are less hard and no visible fractures.

• Low iron content Totoweka, no visible fractures.
• Hard, low fractured Kokopu.

• High iron content Totoweka some visible fractures.
• High fractured Pounamu of any type compromising carving structure.

These grades are obsolete, and will shortly be replaced. Please contact us for more information if required.