“A plate of lustrous, deep rusty-red quartz, which gets its color from rich inclusions of hematite, from Germany. It is interesting to see the areas of purple fluorite on the back of this specimen, an interesting Marienschacht association. Ex. Richard Hauck Collection. ”

“7.4 x 5.9 x 3.4 cm. A plate of lustrous, deep rusty-red quartz, which gets its color from rich inclusions of hematite, from Germany. It is interesting to see the areas of purple fluorite on the back of this specimen, an interesting Marienschacht association. Ex. Richard Hauck Collection. ”