It's often referred to as white gold.
platinum belongs to the solid family
Iridium
Platinum is an element
Platinum
Pt is the symbol for platinum, which is a silvery white metal that is malleable and ductile. Its atomic number is 78, and its atomic weight is 195.084. Platinum is in group 10, period 6.
Platinum is an element.
The family name for the element sulfur is the chalcogens.
Platinum is a chemical element.
By 'family' , I query your meaning. However, osmium is a d-clock element ( transition element) . It is Group 8 , Period 6.
Iridium
family name of rare earth element series of helium
platinum