Dundas: Sphalerite
Here’s another sample provided by Reiner Mielke from the Dundas quarry; it is a mineral called Sphalerite. Sphalerite is a native form of zinc sulfide and, according to my research, can be ‘white’, to ‘honey-yellow’, to ‘brown or reddish’. My own powdered form is light brown in colour but I have yet to see if … Read more