Jamesonite forms as a late stage mineral in lead-silver-zinc veins that formed at low to medium temperatures. Associated minerals include other lead sulfosalts, pyrite, sphalerite, galena, tetrahedrite, stibnite, quartz, siderite, calcite, dolomite, and rhodochrosite.
Where is Jamesonite found?
It is usually found in low to moderate temperature hydrothermal deposits. It was named for Scottish mineralogist Robert Jameson (1774–1854). It was first identified in 1825 in Cornwall, England. It is also reported from South Dakota and Arkansas, US; Zacatecas, Mexico; and Romania.
What is the streak of stibnite?
1.3.
Stibnite or antimonite is sulfide metalloid mineral of antimony with chemical formula (Sb2S3). ... The mineral depicts subconchoidal fracture, splendent luster, and similar to colorless streak. The average specific gravity is 4.63, and hardness is 2 in Mohs scale.
