Sphalerite var. cleiophane 

Krushev Dol mine, Madan, Bulgaria

(Source: spiriferminerals.com)

Phosphophyllite with Siderite & Sphalerite matrix

Mina Unificada, Cerro Rico de Potosi, Potosí District, Potosí Department, Bolivia

(Source: desertwindsgemsandminerals.com)

Galena with Sphalerite

Septemvri mine, Rhodope Mts, Smolyan Oblast, Bulgaria 

(Source: auction.danweinrich.com)

Sphalerite and Siderite with Dolomite 

La Mure, Isere, Rhone-Alpes, France, Europe

(Source: crystalclassics.co.uk)

Sphalerite and Siderite

Smallcleugh Mine, Nenthead, Alston Moor, Cumbria, England

(Source: johnbetts-fineminerals.com)

Calcite over Fluorite, Galena, Sphalerite

Madan District, Rhodope Mountains, Bulgaria

(Source: johnbetts-fineminerals.com)

Greenockite on Sphalerite with Chalcopyrite

Joplin, Jasper Co., Missouri, United States

(Source: dakotamatrix.com)

Realgar with Sphalerite and Galena

Mina Palomo, Julcani Dist., Peru

(Source: marinmineral.com)

Fluorite and Sphalerite

Rosiclare Level, Gov Royalty Ore, Minerva Mine #1, Hardin Co., Illinois

(Source: crystalhabits.com)

Calcite on Sphalerite

Elmwood Mine, Smith County, Tennessee, USA

(Source: desertwindsgemsandminerals.com)

Tennantite, Realgar and Sphalerite   

Julcani District - Peru

(Source: surreyminerals.com)

Boulangerite and sphalerite, on calcite covered matrix 

Bottino mine, Stazzema, Lucca. Italy

(Source: cfm-minerals.it)