Hardnesses of the elements (data page)

{| class="wikitable sortable"

! number !! symbol !! name !!data-sort-type="number"| Mohs hardness||4900–5800|| ||

| 6 || C || carbon (graphite)

| 0.5 || || ||

| 6 || C || carbon (diamond)

| 10.0 || || ||

| 11 || Na || sodium

| 0.5|| || 0.69||

| 12 || Mg || magnesium

| 2.5|| ||260|| 44 (cast)

| 13 || Al || aluminium

| 2.75|| 160–350 || 160–550 || 184

| 14 || Si || silicon

| 6.5|| || ||

| 16 || S || sulfur

| 2.0|| || ||

| 19 || K || potassium

| 0.4|| || 0.363||

| 20 || Ca || calcium

| 1.75|| || 170|| 416

| 21 || Sc || scandium

| || || 736–1200 ||

| 22 || Ti || titanium

| 6.0 || 830–3420 || 716–2770 || 1028

| 23 || V || vanadium

| 7.0|| 628–640|| 600–628|| 742

| 24 || Cr || chromium

|8.5|| 1060 || 687–6500 || 688

| 25 || Mn || manganese

| 6.0|| || 196||

| 26 || Fe || iron

| 4.0|| 608|| 200–1180 ||

| 27 || Co || cobalt

| 5.0|| 1043|| 470–3000|| 1291

| 28 || Ni || nickel

| 4.0|| 638|| 667–1600 || 900–1200

| 29 || Cu || copper

| 3.0|| 343–369|| 235–878 || 520

| 30 || Zn || zinc

| 2.5|| ||327–412|| 480–520

| 31 || Ga || gallium

| 1.5|| || 56.8–68.7||

| 32 || Ge || germanium

| 6.0|| || ||

| 33 || As || arsenic

| 3.5|| || 1440 ||

| 34 || Se || selenium

| 2.0|| ||736||

| 37 || Rb || rubidium

| 0.3 || ||0.216||

| 38 || Sr || strontium

| 1.5 || || ||

| 39 || Y || yttrium

| || ||200–589||

| 40 || Zr || zirconium

| 5.0|| 820–1800 || 638–1880 || 333

| 41 || Nb || niobium

| 6.0|| 870–1320|| 735–2450 || 735

| 42 || Mo || molybdenum

| 5.5|| 1400–2740 || 1370–2500 || 1340 (cast)

| 44 || Ru || ruthenium

| 6.5|| 2298 || 2160 || 1795

| 45 || Rh || rhodium

| 6.0|| 1100–8000 || 980–1350|| 540

| 46 || Pd || palladium

| 4.75|| 400–600|| 320–610 || 310

| 47 || Ag || silver

| 2.5|| 250 || 245–250 || 206

| 48 || Cd || cadmium

| 2.0|| || 203–220 || 196

| 49 || In || indium

| 1.2|| ||8.83–10 || 9.8

| 50 || Sn || tin

| 1.5|| ||51–75 || 292–441 (cast)

| 51 || Sb || antimony

| 3.0|| ||294–384 ||

| 52 || Te || tellurium

| 2.25|| || 180–270||

| 55 || Cs || caesium

| 0.2|| ||0.147||

| 56 || Ba || barium

| 1.25 || || ||

| 57 || La || lanthanum

| 2.5||360–1750|| 350–400||

| 58 || Ce || cerium

| 2.5 || 210–470|| 186–412||

| 59 || Pr || praseodymium

| 1.6 || 250–746|| 250–638||

| 60 || Nd || neodymium

| || 343–746 ||265–700||

| 61 || Pm || promethium

| || 617.8 || ||

| 62 || Sm || samarium

| || 412–441 || 441–600||

| 63 || Eu || europium

| ||167–200 || ||

| 64 || Gd || gadolinium

| ||510–950|| ||

| 65 || Tb || terbium

| || 450–863 ||677–1200||

| 66 || Dy || dysprosium

| || 412–550 || 500–1050||

| 67 || Ho || holmium

| || 412–600 || 500–1250 ||

| 68 || Er || erbium

| 2.0 || 432–700 || 600–1070 ||

| 69 || Tm || thulium

| || 470–650 || 471–900 ||

| 70 || Yb || ytterbium

| || 206–250 || 343–441 ||

| 71 || Lu || lutetium

| || 755–1160 || 893–1300 ||

| 72 || Hf || hafnium

| 5.5 ||1520–2060 ||1450–2100||

| 73 || Ta || tantalum

| 6.5 || 873–1200 || 441–3430 || 441–1224

| 74 || W || tungsten

| 7.5 || 3430–4600 || 2000–4000 || 1960–2450

| 75 || Re || rhenium

| 7.0|| 1350–7850 || 1320–2500 ||

| 76 || Os || osmium

|7.0 || || 3920–4000 || 3487

| 77 || Ir || iridium

|6.5 || 1760–2200 || 1670 || 2120

| 78 || Pt || platinum

| 3.5|| 400–549 || 310–500 || 299

| 79 || Au || gold

| 2.5 || 188–216 || 188–245 || 189

| 80 || Hg || mercury

| 1.5 || || ||

| 81 || Tl || thallium

| 1.2 || || 26.5–44.7 ||

| 82 || Pb || lead

| 1.5 || || 38–50|| 37.5–41.8 (cast)

| 83 || Bi || bismuth

| 2.25 || || 70–94.2|| 70

| 90 || Th || thorium

| 3.0 || 294–687 || 390–1500 ||

| 92 || U || uranium

| 6.0|| 1960–2500 || 2350–3850 ||

Hardnesses of the elements (data page)

Notes

References

See also