hyalophane
ck_admin
March 24, 2021
Discovered in 1855, it owes its name to the Greek “hyalos” – glass-, and “Phanos” – which has the appearance.
white
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hemimorphite
ck_admin
March 24, 2021
Its name comes from the Greek “hemi,” half and “morpho” to form, due to the different shape of the tip of its doubly terminated crystals. It was identified by Kenngott in 1853. There is a “matrix” form blue and banded. As Tourmaline it presents the
orbicular diorite
ck_admin
March 24, 2021
Successively described and analyzed by many specialists since 1851, its a mixture of feldspar, hornblende, biotite (black mica) and quartz. It is considered an intrusive rock with a texture similar to “granite”, the term “granite” designating a hard stone used in civil engineering. The matrix
