Platinum
ID: 39
Platinum
Chemical Formula
Pt
Hardness (Mohs)
4 - 4.5
Crystal System
Isometric
Streak
Silvery-white
Luster
Metallic
Diaphaneity
Opaque
Color
Steel-gray to silvery-white
Crystal Habit / Mode of Occurrence
Isometric - Hexoctahedral; typically found as small grains, nuggets, or flakes; rarely distinct cubic or octahedral crystals.
Fun Facts
Platinum is extremely resistant to corrosion, even at high temperatures, making it a "noble metal" and highly valued for its durability. Common Uses: Catalytic converters, jewelry, laboratory equipment (crucibles), electrical contacts, medical implants, dental alloys.