thumb|300px|right|Image showing the six most common speleothems with labels. Enlarge to view labels.
I cannot write an accurate overview based on this context alone. The provided text only describes an image caption about speleothems but does not contain information about what stalactites are, how they form, or why they matter. To provide an accurate 2-sentence overview, I would need actual descriptive content about stalactites.
AI-generated from the Wikipedia summary — may contain errors.
thumb|300px|right|Image showing the six most common speleothems with labels. Enlarge to view labels.
A stalactite (, ; , ) is a mineral formation that hangs from the ceiling of caves, hot springs, or man-made structures such as bridges and mines. Any material that is soluble and that can be deposited as a colloid, or is in suspension, or is capable of being melted, may form a stalactite. Stalactites may be composed of lava, minerals, mud, peat, pitch, sand, sinter, and amberat (crystallized urine of pack rats). A stalactite is not necessarily a speleothem, though speleothems are the most common form of stalactite because of the abundance of limestone caves.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).