This is a most unusual pink manganocalcite from Kosovo with glazing on the sides … two sides is are siderite and pyrite, one is siderite and calcite, two are bare and the remaining sides are coated with sparkling calcite druse! There may be some students, but they are so covered with druse that it’s hard to tell for sure. This unique crystal is 2.9 oz and 1.95” by 1.7” by 1.1”. The rhombohedron is a natural crystalline state for calcite and manganocalcite, but usually they have a number of other expressions and are cleaved form large, massive deposits. The cleaving will be along the rhombic lines … believe it or not, if you drop a calcite or manganocalcite on the floor (and DON’T TRY THIS AT HOME), it will break into natural rhombohedrons! This one is a gorgeous, soft pink and for a special treat, put under a black light (ultraviolet) and the manganocalcite turns a HOT pinkish-red while the calcite is hot pink! There is an unassuming look but you simply have to give the crystal a chance to show the beauty1

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Lovely Manganocalcite Rhombohedron with Calcite and Pyrite Glazing