What is the status of vessels made from stone, bone, plaster/gypsum, or white smooth earthenware (not standard clay) regarding the garf/avit prohibition?

PrayerShema

Synopsis

The Aruch HaShulchan rules on these materials: wooden vessels are like earthenware; stone and bone are like metal; plaster and gypsum are like earthenware; white smooth earthenware remains like regular earthenware.

Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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