About: http://webisa.webdatacommons.org/251433122

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Old material collected by E.W. Heinrich and labeled as magnesite, forming rich, white, opaque cleavage masses without associated matrix or other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	excaliburmineral.com