In chapter adjectives-lesson 1-adjective quality,quantity,number in the heading of the quantity there are some example under those examples last example - English - Adjectives

Question

In chapter adjectives-lesson 1-adjective quality,quantity,number in
the heading of the quantity there are some example under those
examples last example you have used 'some' for jwellery but we can
count them so why you have put it on quantity it sould be in
number,I think if I'm wrong please explain me

Nidhi Kol · Accepted Answer

'Jewellery' is a collective noun In terms of its quantity, we do
not use 'a' jewellery but 'a
collection of jewellery' or 'a piece of jewellery' or 'pieces of
jewellery' We generally use the word 'some' for jewellery

Hope it clears your doubts!