مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٤٧ - Household Utensils

Household Utensils

٢٣٣. If a household utensil has been made with the hide of a dog or a pig or the dead animal (not slaughtered lawfully), it is unlawful to eat or drink anythingfrom that utensil, in case some wetness becomes the cause of its impurity. Furthermore, that utensil should not be used for ablutions and ceremonial bath and for otherpurposes for which only pure things can be used. And the recommended precaution is that the hide of a dog or a pig or a dead animal should not at all be used, even if it isnot a utensil.
٢٣٤. It is prohibited to use gold and silver vessels for eating and drinking purposes and on the basis of obligatory precaution, their general use is also unlawful.However, decorating the rooms with them or possessing them is not unlawful, although it is better to avoid them as a precautionary measure. And the same rule applies to themanufacture of gold and silver vessels and their possession, purchase and sale.
٢٣٥. If the clip of a glass used for drinking tea which is made of gold or silver is called a utensil even after its being detached from the glass it will beequivalent to a glass made of gold or silver (and it will be unlawful to use it for drinking purposes). And if it (the clip) is not called a utensil after being detached fromthe glass there is no harm in using it.
٢٣٦. There is no harm in using vessels which are gold-plated or silver-plated.
٢٣٧. There is no harm in using a utensil which is made of