Home Page	Log In	Messageboard	The Mindat Directory
Register	Search Pages	Mineral Chatroom	The Mindat Store

Island Mine, Alstead, Cheshire Co., New Hampshire, USA

Display
- Standard
- Detailed
- By Strunz Category
- By Dana Category
Photos
- Mineral Photos (2)
- Add Photo
Search
- Mineral Search
- Search Google

Detailed Mineral List:

'Albite-Anorthite Series'
Reference:	USGS Prof Paper 255








Almandine
Formula:	Fe²⁺₃Al₂(SiO₄)₃
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255






Photo: © Joseph Polityka. Almandine from Island Mine, Alstead, Cheshire Co., New Hampshire, USA
Beryl
Formula:	Be₃Al₂(Si₆O₁₈)
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255






Photo: © 2008 Jeremy Zolan. Beryl from Island Mine, Alstead, Cheshire Co., New Hampshire, USA
Beryl var: Aquamarine
Formula:	Be₃Al₂Si₆O₁₈
Reference:	Rocks & Min. 65:302; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index







Beryl var: Goshenite
Description:	gem quality
Reference:	Rocks & Min. 65:301; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index







Beryl var: Heliodor
Reference:	Sinkankas, 1989. Emeralds & Other Beryls, p.556.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255








Biotite
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255








Fluorapatite
Formula:	Ca₅(PO₄)₃F
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255







Microcline
Formula:	KAlSi₃O₈
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index







Muscovite
Formula:	KAl₂(AlSi₃O₁₀)(OH)₂
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255







Quartz
Formula:	SiO₂
Reference:	USGS Prof Paper 255







Schorl
Formula:	Na(Fe²⁺₃)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Reference:	Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255

12 entries listed. 7 valid minerals.

This page is currently not sponsored. To sponsor this page click here.

Mineral	and/or Locality
Search Google

Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in New Hampshire, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 28th Aug 2011 23:11:33