HHomeBackground Color:He
LiBeBlack White GrayBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Mohs Hardness of the elements

Text lists sorted by: Value | Atomic Number | Alphabetical
Plots: Shaded | Ball | Crossed Line | Scatter | Sorted Scatter
Log scale plots: Shaded | Ball | Crossed Line | Scatter | Sorted Scatter
Good for this property: Scatter

Cesium0.2 Platinum3.5 IodineN/A
Rubidium0.3 Iron4 XenonN/A
Potassium0.4 Nickel4 PromethiumN/A
Carbon0.5[note] Palladium4.75 YtterbiumN/A
Sodium0.5 Cobalt5 MercuryN/A
Lithium0.6 Zirconium5 PoloniumN/A
Indium1.2 Gadolinium5.13[note] AstatineN/A
Thallium1.2 Beryllium5.5 RadonN/A
Neodymium1.23[note] Molybdenum5.5 FranciumN/A
Barium1.25 Hafnium5.5 RadiumN/A
Praseodymium1.41[note] Titanium6 ActiniumN/A
Samarium1.44[note] Manganese6 ProtactiniumN/A
Gallium1.5 Germanium6 NeptuniumN/A
Strontium1.5 Niobium6 PlutoniumN/A
Tin1.5 Rhodium6 AmericiumN/A
Lead1.5 Uranium6 CuriumN/A
Holmium1.65[note] Silicon6.5 BerkeliumN/A
Calcium1.75 Ruthenium6.5 CaliforniumN/A
Thulium1.77[note] Tantalum6.5 EinsteiniumN/A
Dysprosium1.8[note] Iridium6.5 FermiumN/A
Erbium1.97[note] Vanadium7 MendeleviumN/A
Sulfur2 Rhenium7 NobeliumN/A
Selenium2 Osmium7 LawrenciumN/A
Cadmium2 Tungsten7.5 RutherfordiumN/A
Tellurium2.25 Chromium8.5 DubniumN/A
Bismuth2.25 Boron9.3 SeaborgiumN/A
Terbium2.33[note] HydrogenN/A BohriumN/A
Magnesium2.5 HeliumN/A HassiumN/A
Zinc2.5 NitrogenN/A MeitneriumN/A
Silver2.5 OxygenN/A DarmstadtiumN/A
Lanthanum2.5 FluorineN/A RoentgeniumN/A
Cerium2.5 NeonN/A CoperniciumN/A
Gold2.5 PhosphorusN/A NihoniumN/A
Lutetium2.6[note] ChlorineN/A FleroviumN/A
Aluminum2.75 ArgonN/A MoscoviumN/A
Copper3 ScandiumN/A LivermoriumN/A
Antimony3 BromineN/A TennessineN/A
Thorium3 KryptonN/A OganessonN/A
Europium3.07[note] YttriumN/A
Arsenic3.5 TechnetiumN/A


Notes on the Mohs Hardness of particular elements:

Carbon: Value given for graphite. Diamond value is 10.0

Praseodymium: converted from Vickers scale

Neodymium: converted from Vickers scale

Samarium: converted from Vickers scale

Europium: converted from Vickers scale

Gadolinium: converted from Vickers scale

Terbium: converted from Vickers scale

Dysprosium: converted from Vickers scale

Holmium: converted from Vickers scale

Erbium: converted from Vickers scale

Thulium: converted from Vickers scale

Lutetium: converted from Vickers scale

Up to date, curated data provided by Mathematica's ElementData function from Wolfram Research, Inc.

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Common Properties
Abundance in Earth's Crust Discovery Year
Abundance in Humans Electrical Conductivity
Abundance in Meteorites Electron Affinity
Abundance in the Ocean Electron Configuration
Abundance in the Sun Electronegativity
Abundance in the Universe Half Life
Atomic Mass Heat of Fusion
Atomic Number Heat of Vaporization
Atomic Radius Ionization Energies
Boiling Point Melting Point
Covalent Radius Specific Heat
Density
 
Other Properties
Adiabatic Index Mohs Hardness
Allotrope Names Molar Magnetic Susceptibility
Alternate Names Molar Volume
Block Neutron Cross Section
Brinell Hardness Neutron Mass Absorption
Bulk Modulus NFPA Label
CAS Number Period
CID Number Phase
Color Poisson Ratio
Critical Pressure Quantum Numbers
Critical Temperature Radioactive
Crystal Structure Refractive Index
Curie Point Resistivity
Decay Mode RTECS Number
DOT Hazard Class Series
DOT Numbers Shear Modulus
Electrical Type Space Group Name
Gas Atomic Multiplicities Space Group Number
Group Speed of Sound
Isotope Abundances Superconducting Point
Isotopes (All Known) Symbol
Isotopes (Stable) Thermal Conductivity
Lattice Angles Thermal Expansion
Lattice Constants Valence
Lifetime Van Der Waals Radius
Liquid Density Vickers Hardness
Magnetic Type Volume Magnetic Susceptibility
Mass Magnetic Susceptibility Young Modulus
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