This property defines the Unicodes which belongs to Mandaic block
Characters like ࡀ,ࡁ,ࡂ, etc. are listed under Mandaic Block.
31 Characters are present in Mandaic Block starting with the Unicode point U+0840 that represents the character ࡀ.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.