Goethite pseudo Pyrite “iron cross twin” white

Goethite pseudo Pyrite “iron cross twin” whiteGoethite pseudomorph after pyrite (where the goethite has replaced the pyrite, but retains the original shape and form). Iron Cross refers to the crystal intersection at near perfect right angles in a formation known as penetration twinning. From Guavi Guatque Mining District, Gachal Municipality, Columbia. 172 grams. Measures roughly 1. 5 x 1. 5 (4cm x 4cm)

5” x 2” by 1

Some of the balls are sliced

Very pretty zoning

Lusterous & double-sided “grape agate” from Indonesia

5 cm x 3cm)

Will come with a

Pinky purple stalactitic chalcedony over realgar and orpiment

spiny oyster

maybe markings from the mining process

75” tall

from Guangdong

Mohave Turquoise ring set in