Agate, Jasper, and friends
Microcrystalline quartz comes in many colors and is known by many names.
a distinctive colored microcline, a k-rich feldspar
In 2018, all eyes are on the erupting volcanic magmas of Hawaii – rivers, fountains, and vertical plumes – all producing a dark, fine-grained rock known as basalt.
Fossils – the evidence of life over time.
Garnets are one of earth’s great travelers!
Opal is silica, just like quartz, agate, jasper and other silica minerals. However, opal does not have a crystaline structure, but is made up of tiny amorphous balls – lined up and organized to various degrees.
Quartz by any other name….rose, smoky, amethyst, citrine…..
A rose-pink silicate mineral
This fine grain, banded serpentine rock is commercially known as riccolite, commonly used as an ornamental stone in building.