_:PxnBIhDK2170 <http://rdf.freebase.com/ns/type.key.namespace> <http://rdf.freebase.com/ns/user.danny.materials_science>.
_:PxnBIhDK2170 <http://rdf.freebase.com/ns/type.value.value> "optical_material".
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.object.key> _:PxnBIhDK2170.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.properties> <http://rdf.freebase.com/ns/user.danny.materials_science.optical_material.abbe_number>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.properties> <http://rdf.freebase.com/ns/user.danny.materials_science.optical_material.emmisivity>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.properties> <http://rdf.freebase.com/ns/user.danny.materials_science.optical_material.index_of_refraction>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.properties> <http://rdf.freebase.com/ns/user.danny.materials_science.optical_material.reflectivity>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.domain> <http://rdf.freebase.com/ns/user.danny.materials_science>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/freebase.type_profile>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/type.type>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.instance> <http://rdf.freebase.com/ns/en.titanium>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.instance> <http://rdf.freebase.com/ns/en.titanium_commercially_pure>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.instance> <http://rdf.freebase.com/ns/en.aluminium_oxide>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.instance> <http://rdf.freebase.com/ns/en.aluminium>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.type.instance> <http://rdf.freebase.com/ns/en.6061_aluminum>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/freebase.type_profile.instance_count> "5"^^<http://www.w3.org/2001/XMLSchema#long>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/freebase.type_hints.included_types> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/freebase.type_profile.property_count> "8"^^<http://www.w3.org/2001/XMLSchema#long>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/user/danny/materials_science/optical_material>.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://rdf.freebase.com/ns/type.object.name> "Optical Material"@en.
<http://rdf.freebase.com/ns/user.danny.materials_science.optical_material> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.