In geology and mineralogy, druse is a crystal habit represented by the coating of fine crystals on a rock fracture surface, or vein or within a vug or...

an aggregation of calcium oxalate crystals found in certain plants Druse (geology), an incrustation of small crystals on the surface of a rock or mineral...

or color, it is caused by the presence of other minerals, sometimes in druse Most often silky and fibrous; chatoyant; can exhibit some coloration The...

Jabal al-Druze (Arabic: جبل الدروز, romanized: jabal al-durūz, lit. 'Mountain of the Druze'), is an elevated volcanic region in the As-Suwayda Governorate...

voids. The inner surfaces of such vugs are often coated with a crystal druse. Fine crystals are often found in vugs where the open space allows the free...

altogether and appear massive. Well-formed crystals typically form as a druse (a layer of crystals lining a void), of which quartz geodes are particularly...

Stalactitic calcite Hexagonal calcite Dodecahedral calcite Bipyramidal calcite Druse calcite Twinned calcite Globular calcite Botryoidal calcite Calcite is transparent...

phosphate-rich pegmatites. It occurs in the form of perfect crystals grouped in druses, in pegmatites, and is often of precious-stone quality. One noted deposit...

In geology, silicification is a petrification process in which silica-rich fluids seep into the voids of Earth materials, e.g., rocks, wood, bones, shells...

A bone bed is any geological stratum or deposit that contains bones of whatever kind. Inevitably, such deposits are sedimentary in nature. Not a formal...