I think you are describing a geode. They are generaly hollow and crystalline in structure
Geodes are hollow ball-like objects found in sedimentary rocks that contain quartz crystals. These formations are typically created through the deposition of minerals within cavities in the rock over long periods of time. Geodes are often prized for their unique and beautiful crystal formations.
Geodes. They can be found in some igneous rocks as well. They start as a hollow cavity created by a gas bubble or decaying organism. Mineral rich water seeps into the cavity and crystals form from the outside toward the inside.
The hollow ball-like objects are called geodes. Geodes form when minerals are deposited inside cavities in sedimentary rocks, such as limestone or shale. The outer shell of the geode is typically made of chalcedony, while the interior can contain various minerals like quartz, amethyst, or calcite.
You can tell if two objects have the same relative age by comparing their positions within the same rock layer or sedimentary sequence. Objects found in the same layer are typically considered to be of the same relative age.
Calcite is a mineral commonly found in sedimentary rocks. It can also be found in some metamorphic rocks, as it can recrystallize under heat and pressure. It is unlikely to be found in igneous rocks except in trace amounts.
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geodes
A geode,(I bielive)
Geodes are hollow ball-like objects found in sedimentary rocks that contain quartz crystals. These formations are typically created through the deposition of minerals within cavities in the rock over long periods of time. Geodes are often prized for their unique and beautiful crystal formations.
geodes
Geodes. They can be found in some igneous rocks as well. They start as a hollow cavity created by a gas bubble or decaying organism. Mineral rich water seeps into the cavity and crystals form from the outside toward the inside.
The hollow ball-like objects are called geodes. Geodes form when minerals are deposited inside cavities in sedimentary rocks, such as limestone or shale. The outer shell of the geode is typically made of chalcedony, while the interior can contain various minerals like quartz, amethyst, or calcite.
Those ball-like objects are known as concretions and they form when minerals precipitate around a central nucleus. In the case of quartz concretions, silica-rich fluids flow through sedimentary rock layers and deposit quartz around a nucleus like a shell or fossil, forming the spherical shape. Concretions can come in various sizes and shapes and are often found in sedimentary rocks.
Its a Geode. :) ~Hope it helped!~
Clasts Pebbles (in a conglomerate) Geodes
They are mostly found in Sedimentary Rocks