Beryl Alexsia Khim

Mineral Presentation I

Composition

Be3Al2Si6O18 Cyclosilicate

Hexagonal

Mineral Identification

Hardness: 7.5-8

Nonmetallic: Vitreous

Habit: Prismatic

Beryllium Aluminum Cyclosilicate

Gemstone Varieties

Goshenite: Colorless • Pure beryl

Aquamarine: Blue/green color • Fe2+

Emerald: Green color • Chromium

Morganite: Pink • Mn2+

Heliodor/Golden Beryl: Yellow • Fe3+

Uses

Gemstones • Jewelry • Collector's mineral

Mined for beryrillium • Alloys to strengthen other metals

Mining Locations

Igneous and metamorphic rocks • Granite pegmatites

New England • Maine and New Hampshire

Zambia Columbia: The Emerald Belt Afghanistan

• Morganite Brazil

• Heliodor/Golden Beryl & Aquamarine

Goshenite

Aquamarine

Emerald

Morganite

Heliodor

James Webb Space Telescope

Successor to Hubble Space Telescope 18 Mirrors made of gold coated

Beryllium for its lightweight and strength Launching in 2021 $10 Billion

Sources

http://faculty.uml.edu/nelson_eby/89.307/Instructor%20Pdfs/Chapt.%203%20-%20Mineral%20Identification.pdf http://webmineral.com/specimens/gallery.php?st=101&init=B#.W_csrZNKj0F https://www.minerals.net/mineral/beryl.aspx https://www.jwst.nasa.gov/