- Hematite
Iridescent hematite, Rio Marina, Elba - Pyromorphite
Pyromorphite, Pb5(PO4)3Cl, Hofsgrund, Germany - Portrait of a Lady by Raphael
Portrait of a Lady, La Mutta (1505-1509) by Raphael (Raffaello Sanzio da Urbino). Palazzo Ducale, Urbino. - The Royal Volunteer Review
The Royal Volunteer Review, 7 August 1860 (1860) by Samuel Bough, detail.