Chatham Island and mainland New Zealand Paua/Abalone shell grades

Grade: J1H




J1H


Origin


Shells per KG

Chatham Islands


6-7

Shell size


Colour


13-16cm


Best blue/green paua colour


Thickness


Quality



2-3mm


Trophy Shells. The thickest best coloured shell available. Top 1-2% of Chatham Shells.



Uses

  • - Trophy or specimen shell
  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Furniture inlay

Grade: J1




J1


Origin


Shells per KG

Chatham Islands


6-7

Shell size


Colour


13-16cm


Excellent blue/green colour


Thickness


Quality



1.5-2.5mm


The best 5-10% of Chatham Shells.



Uses

  • - Trophy or specimen shell
  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay

Grade: J2H




J2H


Origin


Shells per KG

Chatham Islands


6-7

Shell size


Colour


13-16cm


Good blue/green colour to backside after slicing. Blue/grey inside.


Thickness


Quality



1.5-2.5mm


Thicker shells. Some worm. Sometimes more lime coating to backside.



Uses

  • - Jewellery
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Mosaic tile
  • - Tumbling or chip

Grade: KAA




KAA


Origin


Shells per KG

Chatham Islands


9-10

Shell size


Colour


12.5-16cm, 90% 13-14cm


Good blue/green colour


Thickness


Quality



0.8-1.5 mm


Some wormhole, all whole shells, but occasional broken edges. Approx 55-65% of all Chathams Islands paua.



Uses

  • - Jewellery
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Mosaic tile
  • - Button blanks
  • - Tumbling or chip

Grade: L2




L2


Origin


Shells per KG

Chatham Islands


9-11

Shell size


Colour


12.5-15cm


Grey inside, blue colour on backside after grinding lime


Thickness


Quality



0.8-1.5 mm


More worm, < 20% broken shells, disease or growths to inside heel.



Uses

  • - Jewellery
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Tumbling or chip

Grade: JAA




JAA


Origin


Shells per KG

Mainland New Zealand


3-4

Shell size


Colour


13.5-17.5cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



2-3 mm


Limited worm to the backside, no diseases/growths to inside heel. Minimal, if any ripple.



Uses

  • - Trophy or specimen shell
  • - Jewellery
  • - Polished shell
  • - Ornamental and décor

Grade: JM




JM


Origin


Shells per KG

Mainland New Zealand


4-5

Shell size


Colour


13-17cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



2-3mm


Limited worm to the backside, no diseases/growths to inside heel. Minimal, if any ripple.



Uses

  • - Trophy or specimen shell
  • - Jewellery
  • - Polished shell
  • - Ornamental and décor

Grade: JL




JL


Origin


Shells per KG

Mainland New Zealand


6-7

Shell size


Colour


12.5-16cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



1.5-2.5mm


Limited worm to the backside, no diseases/growths to inside heel. Minimal, if any ripple.



Uses

  • - Trophy or specimen shell
  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay

Grade: JBH/SD




JBH/SD


Origin


Shells per KG

Mainland New Zealand


3-5

Shell size


Colour


13-17.5 cm


Greyish blue/green/crimson. Backside after grinding good colour.


Thickness


Quality



2-3mm


Limited worm to the backside, no disease/growths to inside heel. Minimal, if any ripple. Generally good yield of blue/green/crimson coloured shell after grinding the backside.



Uses

  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay

Grade: JBH




JBH


Origin


Shells per KG

Mainland New Zealand


3-5

Shell size


Colour


13-17cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



2-3mm


Includes shells with disease/growths to inside heel. Wormhole to the backside.



Uses

  • - Jewellery
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay

Grade: JT




JT


Origin


Shells per KG

Mainland New Zealand


6-7

Shell size


Colour


12.5-16cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



1-2mm


Limited worm to the backside, no disease/growths to inside heel. Minimal, if any ripple. Thinner and more ripple.



Uses

  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Button blanks

Grade: JB




JB


Origin


Shells per KG

Mainland New Zealand


6-7

Shell size


Colour


12.5-16cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



1-2mm


Includes shells with disease/growths to inside heel or wormhole to the backside.



Uses

  • - Jewellery
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Button blanks

Grade: JB/SD




JB/SD


Origin


Shells per KG

Mainland New Zealand


6-7

Shell size


Colour


12.5-16cm


Greyish blue/green/crimson. Backside after grinding good colour.


Thickness


Quality



1-2mm


Limited worm on the backside, no disease/growths to inside heel. Minimal. If any ripple. Generally good yield of blue/green/crimson colour after grinding the backside.



Uses

  • - Jewellery
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Button blanks
  • - Tumbling or chip

Grade: TA




TA


Origin


Shells per KG

Mainland New Zealand


10-11

Shell size


Colour


12.5-14.5cm


Good blue/green/crimson often with creamy young growth to the outside edge


Thickness


Quality



1-2mm


Limited worm to the backside, no disease/growths to inside heel. Minimal, if any ripple.



Uses

  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Mosaic tile
  • - Button blanks
  • - Tumbling or chip

Grade: KA




KA


Origin


Shells per KG

Mainland New Zealand


8-9

Shell size


Colour


12.5-15cm


Best blue/green/crimson inside and the backside after grinding


Thickness


Quality



0.8-1.5mm


Limited worm to the backside, < 10% growths to inside heel. Generally younger, clean backed shell. Suitable for cutting and inlay or slicing for shell sheet. Often the clean inside surface of KA is used as the visible surface. Thinner nature of shell limits the grinding out of wormhole on the backside.



Uses

  • - Jewellery
  • - Polished shell
  • - Ornamental and décor
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Mosaic tile
  • - Button blanks
  • - Tumbling or chip

Grade: KB




KB


Origin


Shells per KG

Mainland New Zealand


10-11

Shell size


Colour


12.5-14.5cm


80-90% good blue/green/crimson, 10-20% tending grey or half dead.


Thickness


Quality



0.8-1.5mm


More worm. 30-40% have growths to inside heel. Thickness and other characteristics similar to KA.



Uses

  • - Jewellery
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Mosaic tile
  • - Tumbling or chip

Grade: KGB




KGB


Origin


Shells per KG

Mainland New Zealand


10-11

Shell size


Colour


12.5-14.5cm


All grey, half dead, showing occasional natural blue/green colour in parts


Thickness


Quality



0.8-1.5mm


Worm to backside. 20-30% have growths to inside heel.



Uses

  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Tumbling or chip

Grade: DD




DD


Origin


Shells per KG

Mainland New Zealand


5-6

Shell size


Colour


13.5-16.5cm


All grey (half dead or darker dead)


Thickness


Quality



2-3mm


Worm, 40-50% with disease/growths to the inside shell.



Uses

  • - Jewellery
  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Tumbling or chip

Grade: KC




KC


Origin


Shells per KG

Mainland New Zealand


8-12

Shell size


Colour


12.5-15cm or broken


80-90% grey (or dead).


Thickness


Quality



0.8-1.5mm


Scrap or lowest grade. The most wormy, thin or diseased shells. Up to 70% broken shells. This will vary, some bags less than 10 - 20% broken.



Uses

  • - Slicing for sheet and veneer
  • - Furniture inlay
  • - Tumbling or chip

Tell us about your project...

Your project is unique, so we provide personalised advice before delivering worldwide from our studio in New Zealand.

Luméa products are made from natural shell with a variety of factors that affect form and function. If you can’t find the right product from within our range, then talk to us about our custom design service. We love to experiment and collaborate with our partners to create unique solutions.

Contact



Tel: +64 3 234 9065


Email: [email protected]