Where is Amazonite in matrix found?
Microcline (variety amazonite) with host rock
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Open the appAmazonite in matrix occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Amazonite in matrix
Pikes Peak, Colorado, USA
Famous for producing some of the finest deep blue-green amazonite crystals, often associated with smoky quartz and albite in pegmatite pockets.
Miass, Ilmen Mountains, Russia
Historically significant locality for large, well-formed amazonite crystals.
Minas Gerais, Brazil
Produces amazonite in various shades, often in large masses within pegmatites.
Madagascar
Known for vibrant blue-green amazonite, sometimes found in large quantities.
Virginia, USA
Several pegmatite localities yield amazonite, though often not as intensely colored as Pikes Peak material.
Ethiopia
More recent discoveries have yielded good quality amazonite.
Collecting tips
- Target Pegmatites. Focus your search on areas known for granitic pegmatite intrusions. These are often found in regions with ancient continental crust.
- Look for Feldspar. Amazonite is a feldspar. Learn to identify common feldspars (orthoclase, albite) as they are often associated with amazonite.
- Color is Key. The distinctive blue-green color is the primary identifier for amazonite. Look for this color within coarse-grained igneous rocks.
- Associated Minerals. Amazonite is frequently found with quartz (often smoky quartz), albite, muscovite, and sometimes tourmaline or garnet. Identifying these associated minerals can help confirm the presence of a pegmatite environment.
- Safety Precautions. When collecting in pegmatite environments, be aware of potential hazards such as unstable rock faces, sharp edges, and the presence of other minerals that might be radioactive (e.g., some uranium-bearing minerals, though not typically associated with amazonite itself, can occur in pegmatites). Always wear appropriate safety gear including gloves, eye protection, and sturdy footwear. Obtain permission before collecting on private land.
Quick Check
- Color:
- Blue-green to turquoise-green (amazonite), with white/grey/translucent matrix.
- Luster:
- Vitreous to pearly (amazonite), vitreous (quartz), dull to pearly (other feldspars).
- Streak:
- White (for amazonite and most matrix minerals).
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