Guías de Mineralogía
Guías completas para entusiastas y coleccionistas de minerales.
Identification Flowcharts
Step-by-step identification workflows for determining unknown minerals by color, luster, crystal shape, and geological context.
Identifying Dark Metallic Minerals
A step-by-step flowchart for identifying dark-colored minerals with metallic luster, using hardness, streak, density, and crystal form.
Identifying Light-Colored Non-Metallic Minerals
Step-by-step identification of white, clear, and pale non-metallic minerals using hardness, cleavage, and reaction to acid.
Identifying Green Minerals: Olivine to Malachite
How to distinguish green minerals using hardness, streak, crystal system, and chemical tests, from common to rare species.
Identifying Blue and Purple Minerals
Systematic identification of blue and purple minerals using hardness, streak, crystal system, and associated elements.
Identifying Red and Pink Minerals
How to identify red and pink minerals systematically, from ruby and garnet to rhodochrosite and cinnabar.
Identifying Minerals by Crystal Shape
Use crystal habit and form as a primary identification tool, with diagnostic shapes for common mineral species.
Identifying Minerals by Streak Color
A comprehensive streak color reference for mineral identification, organized by streak color with diagnostic mineral matches.
Identifying Fluorescent Minerals
How to identify minerals that glow under ultraviolet light, with fluorescence colors, activator elements, and the best UV wavelengths to …
Identifying Minerals in Igneous Rocks
How to identify the major rock-forming minerals in igneous rocks, from granite and basalt to pegmatite and volcanic ash.
Identifying Minerals in Sedimentary Rocks
How to identify minerals found in sedimentary rocks, including clastic, chemical, and biogenic sediments, geodes, and concretions.