Based on eye-witness reports
there are grains of sand still wedged into one of the crevices of the specimen
This is a beautiful Spinel crystal in marble host from Myanmar (Burma)
"fibers" alluding to its color and habit
This is an attractive specimen of calcite crystals from the Wessels Mine
Molybdenite Crystals | 51.4 grams | Moly Hill, La Motte, Québec, Canada Polymict Impact Breccia Based on eye-witness reportsThese are perfect rosettes of metallic molybdenite, almost completely exposed in a glassy quartz matrix crystals from Moly Hill, Abitibi Temiscamingue, Qubec, Canada. The pair of rosettes measure 17mm in length. Molybdenite is commonly found as foliated masses meaning the mineral forms folia or layers, like the mineral mica. It is metallic gray, has a greasy feel, and is very soft at only 1 on Mohs' hardness scale. Its softness, metallic luster and