A botryoidal (/ ˌbɒtriˈɔɪdəl / BOT-ree-OY-dəl) texture or mineral habit, is one in which the mineral has an external form composed of many rounded segments, named for the Ancient Greek …

Botryoidal describes a mineral habit, or appearance, characterized by a globular exterior. This phenomenon is promoted by the presence of multiple crystallization seeds, or centers.

The meaning of BOTRYOIDAL is having the form of a bunch of grapes. How to use botryoidal in a sentence.

Botryoidal is a mineral habit in geology characterized by a smooth, rounded, globular texture resembling a bunch of grapes, formed by radiating crystals that create spherical or …

Apr 22, 2024 · Botryoidal agate forms when layers of silica-rich fluids deposit successive layers of chalcedony around a central nucleus, creating these distinctive rounded shapes. One of the …

texture, in rocks, the size, shape, and arrangement (or fabric) of the mineral grains and crystals.

Jul 30, 2025 · In geology, many minerals form with a botryoidal habit, including hematite, goethite, malachite, smithsonite, and fluorite. These formations often arise from precipitation out of …

Minerals take on a botryoidal habit when they form in an environment containing many nuclei, specks of sand, dust, or other particulate matter to serve as sources of crystal nucleation.

Aggregate resembling a cluster of grapes with smooth rounded surfaces or bubbles. Also known as globular. Rounded agglomerations of botryoidal aggregates are smaller than reniform …

botryoidal in American English (ˌbɑtriˈɔɪdəl ) adjective resembling a bunch of grapes