WebCummingtonite is defined as a monoclinic amphibole belong to the magnesium-iron-manganese amphibole subgroup. It is defined with Mg as the dominant element both in the B and C positions. Colour: Translucent dark green, brown, grey, colourless Lustre: Vitreous Hardness: 5 - 6 Specific Gravity: 3.1 - 3.6 Crystal System: Monoclinic Member of: http://webmineral.com/data/Cummingtonite.shtml
Schist (Cummingtonite) VWR
WebMay 31, 2007 · We Buy Collections; Current Live Auctions. Current Live Fixed Price Sales. Sign In. Username or e-mail * Password * Create new account; Request new password; You are here. Home » Auction: Auction 127: 24 May - 31 May 2007. Cummingtonite ... WebSchist (Cummingtonite) Supplier: Ward's. Classic North American Rock Thin Sections. Our finest thin sections have been a classroom standard for over 40 years. When purchased individually, each 27 x 46 mm slide is packaged as an Explano-Mount, with a study sheet, in a durable plastic sleeve. In addition, you can now order matching hand specimens ... dunn hotel ocean city md
FOMS - Cummingtonite - Franklin Mineral Information
WebApr 7, 2024 · Cummingtonite definition: an amphibole mineral, magnesium iron silicate hydroxide , found in metamorphic rocks Meaning, pronunciation, translations and examples WebIn most of the metamorphic cummingtonite-hornblende pairs — including the nine pairs from Tydal — the Mg/Fe ratio of the hornblende is lower than in the co-existing cummingtonite, i.e K Ca-am-Cum D.Mg-Fe <1. A relation appears to exist between the Mg-Fe distribution and the Al content of the calcic amphibole phase. WebGeorgia Rock Shop: The Mineral Gallery inside Peachtree Antique center: 155 mill road Mcdonough, Ga. We sell Jackson's Crossroads amethyst, Hogg mine rose quartz,Reiki metaphysical stones, petrified wood & stone guitar picks! ... We buy rocks! We buy rocks, crystals, fossils, estates and collections! Just email me from the contact page or text ... dunnigan hills road race course strava