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

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


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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