Collections
-
ARSENITES (ARSENIDES)
Arsenite minerals are uncommon arsenic minerals that contain oxygen. Notable locations for...
-
BORATES, CARBONATES, NITRATES
Minerals in the borate class feature boron-oxygen groups that can connect through...
-
CARBONATES, NITRATES, BORATES
Carbonate minerals feature the anionic complex (CO3)2–, which has a triangular shape...
-
EDUCATIONAL
In this section, you will discover resources related to the study of...
-
GEMS AND PRECIOUS STONES
A gemstone refers to a mineral crystal that, once cut or polished,...
-
Miniatures & Micro Mounts
This collection features miniature versions and micro mounts of a wide variety...
-
NATIVE ELEMENTS
Native element minerals are naturally occurring elements that exist in an uncombined...
-
NITRATES, CARBONATES, BORATES
Nitrates are defined by their triangular (NO3)– groups, which bear a resemblance...
-
ORGANIC SUBSTANCES
An organic mineral refers to an organic compound that has taken on...
-
OXIDES, HYDROXIDES
The oxide mineral class comprises minerals where the oxide anion (O2−) is...
-
PHOSPHATES, ARSENATES, VANADATES
This mineral class is pretty extensive, boasting nearly 700 known species, but...
-
SULFATES (CHROMATES, MOLYBDATES, WOLFRAMATES)
Sulfate minerals are a distinct group characterized by the presence of the...
-
SULFIDES (SELENIDES, TELLURIDES, ARSENIDES, ANTIMONIDES, BISMUTHIDES)
Sulfides (Sulphides, British English) are compounds that include sulfur. They can be...
-
SULPHATES (CHROMATES, MOLYBDATES, WOLFRAMATES)
Sulfate minerals are a distinct group characterised by the presence of the...
-
SULPHIDES (SELENIDES, TELLURIDES, ARSENIDES, ANTIMONIDES, BISMUTHIDES)
Sulfide, represented by the chemical formula S2−, is an inorganic anion of...
