New sink types

I need a new sink and looked at the Home Supply type store. They have a sink type called Franke Granite Sinks. They are described as 80% quartz crystals bonded with 20% acrylic resin. Does anybody have any experience with these sinks - it is either one of these or the cast iron sink. ??

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.