Garnet - Rock-Forming Minerals
www.sandatlas.org › garnetLarge crystal in an ultramafic rock peridotite. Hullvann, Norway. Width of sample 18 cm. Lots of garnet crystals (compositionally between almandine and pyrope end-members) in a metamorphic rock eclogite. Holsnøy, Norway. Width of sample 9 cm. Very fresh-looking eclogite with bright green (omphacite) and red (garnet). Nordfjord, Norway.
Garnet - Rock-Forming Minerals
https://www.sandatlas.org/garnetIt is a common rock-forming mineral in some igneous rocks. Crystals are usually reddish and isometric. These almandine grains are picked from a beach sand. Redondo Beach, California, USA. Width of view 10 mm. It is hard and resistant to weathering which makes it a very frequent component of sandy sediments.
Rocks of Norway - Sandatlas
www.sandatlas.org › rocks-of-norwayRocks of Norway. Norway is geologically very versatile because it has gone through lots of different geological environments during the last three billion years and because it is a mountainous country. Gabbro with augite phenocrysts. This rock comes from a quarry near Tangen. Gabbro is used in Norway as an aggregate.