Sunday Times Cryptic 4475

[CLOTHEAD]

Decorative substance jeweller might sell - You can get opal from there too!
6-2-5

Blue material found damaged with urn
(11)

Cent found in change causes quarrel
(11)

[murraymints]

mother of pearl

[bulliver]

2 ultramarine (anagram)

[bibblebub]

2 ultramarine = anagram of material+urn

[dannyk13]

Alter(c)ation

[bulliver]

3 altercation

[CLOTHEAD]

Thank you early birds!