1cm x 1cm,Rectangle, purity:98% 1.5 cm x 1.5 cm,Rectangle, purity:98% 2cm x 2cm,Rectangle, purity:98%
5cm x 5cm,Rectangle, purity:95% 7cm x 7cm,Rectangle, purity:95%
2 inch,Disc, purity:95%
1cm x 1cm,Rectangle, purity:98% 2cm x 2cm,Rectangle, purity:98% 1.5 cm x 1.5 cm,Rectangle, purity:98%
2 inch,Disc, purity:98% 4 inch,Disc, purity:98%
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