Ziegler gives us Valrhona, a French chocolate made with a high proportion of criollo beans; Ziegler describes it as not sugar sweet, but flower sweet, and once Ziegler puts it into words, I can taste the flower sweet, just as I could taste the raisiny aftertaste..
Diamond is the hardest naturally occurring mineral, topping Mohs' Scale of Hardness with a relative hardness value of 10.Diamond is a polymorph of the element carbon, and graphite is another. While the two share the same chemistry, C (elemental carbon), they have very different structures and properties.iamond is the hardest naturally occurring mineral, topping Mohs' Scale of Hardness with a relative hardness value of 10.
Complete Information Guide to Rocks, Minerals, & Gemstones. The tetrahedrite Mineral Series. The Tetrahedrite series is composed of two member minerals: Tetrahedrite, the antimony-rich end member, and Tennantite, the arsenic-rich end member. Tetrahedrite is the more common member of this series, and is also the most common sulfosalt mineral. This page discusses Tetrahedrite; Tennantite has its own dedicated page. The most common crystal habit for Tetrahedrite is tetrahedral, which describes an unusual triangular crystal form.