Cactus quartz (medium) Pick your own...:E likely low quality quartz

likely low quality quartz

The specimen has sprouting growth forms

A snow-drift of white quartz flows out of the darkness

The starbursts in the rhyolite are spherulites: minerals composed of dense radial needle-like growth from a point to create a sphere (hence "spher"ulite)

Cactus quartz (medium) Pick your own...:E likely low quality quartzLocale: Boekenhouthoek, South Africa Approx dimensions and weight: specimen A 3. 5 x 2. 5 x 1. 75", 152g B 3. 5 x 2 x 1", 158g C 3. 5 x 3 x 1. 25", 197g D 3. 25 x 1. 25 x 1", 106g E 2. 5 x 1. 75 x 1. 75", 209g F 2. 5 x 1. 75 x 1. 25", 103g G 3 x 1. 5 x 1. 25", 108g H 2. 5 x 2 x 1. 75", 167g Cactus quartz is also known as spirit or pineapple quartz, but as an Arizonan you know Im gonna stick with cactus quartz! Typical cactus quartz growth is a quartz