Perhaps common salt, for it is readily available and easily observed.
Otherwise, a quartz crystal would also be common and attractive, and a useful size.
Ice is a type of solid crystal with a hydrogen bond structure. The bonds between water molecules in ice are hydrogen bonds which are weaker than covalent or ionic bonds. The crystal structure of ice is hexagonal.
A doped germanium crystal with an excess of free holes is called a p-type semiconductor. In this type of semiconductor, the majority charge carriers are positively charged "holes" created by introducing acceptor impurities into the crystal lattice.
A common type of point defect that occurs in a crystal of zinc sulphide is a vacancy defect. In this defect, an atom is missing from its lattice position, creating a gap or a vacancy in the crystal structure.
The melting point of crystal depends on the specific type of crystal. Different crystals have different melting points depending on their chemical composition and structure.
Sodium has a body-centered cubic crystal structure. Each sodium atom is located at the center of a cube and the surrounding lattice points.
ionic crystal
Crystal singing bowls can be found at many boutique type stores around the country. They also can be found on websites online, many of which specialize in making them.
Gypsum crystals are the most common type of crystal mineral found in clay. Gypsum Crystal are known for their flexibility and is commonly used for wallboards or plaster products.
The appearance and type of mineral crystal appearing in a rock is dependent on the type of rock and the method by which it is created.
The first ever one was black
its suicune, the water type dog
The sundial was the first type of clock ever used
Type your answer here... not yet !
An antique crystal floor lamp may be found at Lamps Plus and Lighting Universe. A lamp of this type can also be found at Shades of Light, Restoration Hardware and Houzz.
A sim crystal of course! ^_^ It doesn't have a type, but it's called the plumbob.
The first water type Pokemon that you can get is Totodile which is one of the starter Pokemon.
any type of rock is a crystal it might not be scientific though....