Definition: A white mineral made of platinum and arsenic, known for its crystalline structure.

Example: Sperrylite is often found in platinum-rich deposits and is valued for its unique properties.

Definition: A type of mineral that is a member of the garnet group, composed mainly of manganese and aluminum, and has a specific crystal structure.

Example: Spessartine is often found in metamorphic rocks and is valued for its vibrant orange color.

Definition: A type of mineral that is red to brownish-red and belongs to the garnet group, often containing manganese and aluminum.

Example: The geologist discovered a beautiful piece of spessartite while exploring the cave.

Definition: To flow out quickly and in large amounts, often in a forceful way; can also mean to vomit.

Example: The volcano began to spew lava and ash into the sky.

Definition: A substance or material that has been forcefully expelled or emitted, often in a chaotic or uncontrolled manner.

Example: The volcano's spew covered the surrounding area in ash and debris.

Definition: To forcefully send out or eject something in a large amount, often in a stream; it can also mean to vomit.

Example: The volcano began to spew lava and ash into the sky.

Definition: A mineral that is mainly made of zinc sulfide and is the most important source of zinc, often found in yellow-brown or black crystals.

Example: Sphalerite is commonly mined for its zinc content.

Definition: A mineral that contains calcium, titanium, and silicon, often found in small brown or yellow crystals, and sometimes used as a gemstone.

Example: The jeweler showed me a beautiful ring with a sphene stone.

Definition: Having a shape that resembles a wedge, typically with a narrow end and a wider end.

Example: The sphenic design of the building allowed for better aerodynamics.

Definition: A type of lizard that belongs to the order Rhynchocephalia, known for its unique features and ancient lineage.

Example: The sphenodont is often studied for its evolutionary significance and distinct characteristics.

Definition: Relating to a specific bone in the skull that is shaped like a wedge.

Example: The sphenoid bone is located at the base of the skull and helps form the eye socket.

Definition: A bone located at the base of the skull that helps form the eye socket and supports the structure of the face.

Example: The sphenoid bone is crucial for the stability of the skull.

Definition: Having a shape that resembles a wedge, often used in anatomical contexts to describe certain bones or structures in the body.

Example: The sphenoidal bone is located at the base of the skull and is shaped like a wedge.