Property
What is color?
The external color of the mineral AND the color of the powder when you scratch it
Gold / dorado
Metallic / metalico
High hardness / dureza alta
Cubic structure / cristales cubicos
Pyrite
el color
the color
What is hardness?
the resistance of a mineral when you scratch it
Made of three minerals: quartz, orthoclase and biotite
Granite
cristales
crystals
What is fracture?
the shape the mineral forms when it breaks
White / blanco
Non metallic
Low hardness / dureza baja
Oolitic structure
Limestone
la Tierra
the Earth
What is crystal habit?
the mineral's most common shape
Green
Glassy
Medium hardness
Octagonal structure
Fluorite
Química
Chemistry
What is luster?
the way light reflects off of a mineral's surface