Gyrolite on Prehnite Crystal | 102 gr | Mumbai, India Belemnite Size: 21 - 27 mm

Size:  21 - 27 mm incl

Nova Scotia

Prehnite forms in cavities in basaltic lavas

from Madagascar

Shape: Trilliant Checkerboard Cut

Gyrolite on Prehnite Crystal | 102 gr | Mumbai, India Belemnite Size: 21 - 27 mmGyrolite often forms nodular aggregates that can appear glassy, dull or even fibrous. The aggregate nodules often accompany many fine and rare minerals such as Apophyllite and Okenite plus many of the Zeolites. Looks very nice on Prehnite! Prehnite can form prismatic, tabular, or pyramidal crystals, but usually occurs in botryoidal, reniform, stalactitic, granular, or compact habits. It is usually green in colour, but may be white, colourless, yellow,