Gyrolite on Prehnite Crystal Cluster | 111 grams | Mumbai, India Diogenite Calcite is the principal constituent

Calcite is the principal constituent of limestone and marble

Barite crystal formations grow in parallel sheets that almost appear fibrous

Size: 5x3mm

Approx Weight (per piece): 22

Gyrolite on Prehnite Crystal Cluster | 111 grams | Mumbai, India Diogenite Calcite is the principal constituentGyrolite 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. 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, or gray. It has a colourless