Vrbaite

{{Infobox mineral

| name = Vrbaite

| nameIUPAC =

| strunz = {{strunz-inline|02|H|F|20}}

| dana = {{{dana|03|07|15|01}}}

| largeurbox =

| image = Vrbaite-91144.jpg

| imagesize = 280

| caption = Vrbaïte, Crven Dol Mine, Allchar (Alsar), Roszdan, North Macedonia

| formula = Tl4Hg3Sb2As8S2

| color = black, gray-black, bluish, dark red; on polished sections, bluish white with internal red highlights

| class = Dipyramidal ;
$C$ $mca$
{C 2/m 2/c 2{{ind|1}}/a}

| system = orthorhombic

| fracture = uneven/irregular to conchoidal

| tenacity = 3,5

| refractive = n = 2,72-2,73

| dispersion = r > v

| fluorescence = aucune

| absorption = opaque

| density = 5,27-5,33

}}

Vrbaite (symbol: Vrb) is an opaque to subtranslucent brittle mineral with chemical formula Tl₄Hg₃Sb₂As₈S₂₀ and pyramidal crystals. It is names after Czech mineralogist {{ill|Karel Vrba|cs}}. It is bluish white with red internal reflections and dark red in translucent thin fragments. It is classified in the class "sulfides and sulfosalts".[https://webmineral.com/data/Vrbaite.shtml Vrbaite Mineral Data][https://www.mindat.org/min-4211.html Vrbaite] at mindat.org

Type locality: Allchar deposit, {{ill|Ržanovo mine|mk|’Ржаново (рудник)}}, Kavadarci Municipality, North Macedonia.[https://www.mindat.org/loc-2245.html Allchar, Ržanovo, Kavadarci Municipality, North Macedonia]