Ferruginous quartz cluster Hydroxyapophyllite I call this one "the

I call this one "the abalone" due to its shallow oval shape

and some pieces have hollow cores

This variety produces large broods of mancae (baby isopods)

The specimen is attached to a rock matrix with a few small pockets of malachite

This specimen has been inexpertly repaired from at least five pieces

Ferruginous quartz cluster Hydroxyapophyllite I call this one "theLocale: Morocco Approx dimensions: 4. 5 x 3 x 3", longest crystal 5. 5 cm Approx weight: 627g Known as red or ferruginous (iron bearing) quartz, this unusual variety of quartz gets its color from iron oxides, typically hematite. The quartz in this specimen initially grew colorless; broken crystals along the edge reveal the quartz crystals have a clear core bordered by a thin top layer of brick red quartz. A change occurred during the growth process