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Fluorite - (Page)
Fluorite is a calcium fluoride crystal with a hardness of 4. Fluorite has a perfect cleavage (meaning it will break easily along a flat plane). It forms in massive, cubes, or isometric crystals and...
About Us - (Page)OakRocks (aka Barlow's Gems) Located in Phoenix, AZ USA
Pyrite - (Page)Pyrite is the classic "Fool's Gold". There are other shiny brassy yellow minerals, but Pyrite is by far the most common and the most often mistaken for gold. Whether it is the golden look or...
Copper Gemstones - (Page)Copper Gemstones are stones that contain Native Copper or copper minerals. Thirteen metals occur as native elements. Obviously gold and silver are the most well known, but Native Copper...
Ruby and Fuchsite (or Zoisite) - (Page)Ruby and Fuchsite and Ruby and Zoisite are both lovely green stones with actual pink Ruby crystal
Malachite - (Page)Malachite, a beautifully patterned green mineral, is a copper carbonate or a copper ore. It has a hardness between 3.5 and 4. Malachite crystallizes in the monoclinic crystal system, and most often...
Rockhounding - (Post)Rockhounding is the hobby of looking for and collect interesting rocks. I am writing a series of blogs that deal with this hobby. This series is mostly geared towards the beginner or hobbyist, not the
Four Peaks Mining Co at the OdySea Aquarium complex - (Post)We attended the GRAND OPENING of the Four Peaks Mining Co store. UPDATE-Unfortunately we have heard that this amazing shop will be closing the end of this year (2026). If you haven't been, you should
All About Macrocrystalline Quartz-Part 2 Inclusions, Sheen, Phenomena - (Post)Quartz can have several phenomena including phantom crystals, rainbows or asterism (star effect). In Part 1 of my All About Macrocrystalline Quartz series we discussed the basics of Macrocrystalline Q
Rhodonite - (Page)Rhodonite is pink semiprecious stone, that is a metamorphic manganese metasilicate with a hardness of 5.5 to 6.5. The black dendritic inclusions are manganese oxide. It may also have white...
Labradorite - (Page)Labradorite has an uninteresting color of dark gray, but displays a beautiful iridescence. The iridescence displays rainbow-colored reflections known as labradorescence when light hits it in...
Calcite, Aragonite, Dolomite, Marble - (Page)After Quartz, Calcite is the most next common mineral on the face of the Earth. Calcite comprises about 4% by weight of the Earth's crust. It is found throughout the world in sedimentary, meta