Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Protomangano-ferro-anthophyllite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Nippyo mine (Yokoneyama), Awano, Kanuma City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
© R. Tanaka

Show Protomangano-ferro-anthophyllite Photos (4)



Formula:
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
System:OrthorhombicColour:White to brownish-grey.
Lustre:VitreousHardness:5½ - 6
Member of:Mg-Fe-Mn-Li Ortho-Amphibole Subgroup > Amphibole Group
Name:For its structural relationship to the ortho-amphiboles, and the compositional relationship to protoferro-anthophyllite and anthophyllite


Amphibole Group. Mg-Fe-Mn-Li Ortho-Amphibole Subgroup.

Classification of Protomangano-ferro-anthophyllite

IMA status:Approved
Strunz 8th edition ID:8/F.12-160
Nickel-Strunz 10th (pending) edition ID:9.DD.05

9 : SILICATES (Germanates)
D : Inosilicates
D : Inosilicates with 2-periodic double chains, Si4O11; Orthoamphiboles
mindat.org URL:http://www.mindat.org/min-7256.html
Please feel free to link to this page.

Type Occurrence of Protomangano-ferro-anthophyllite

Type Locality:Nippyo mine (Yokoneyama), Awano, Kanuma City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan

Physical Properties of Protomangano-ferro-anthophyllite

Lustre:Vitreous
Colour:White to brownish-grey.
Streak:White to greyish-white
Hardness (Mohs):5½ - 6

Crystallography of Protomangano-ferro-anthophyllite

Crystal System:Orthorhombic

Optical Data of Protomangano-ferro-anthophyllite

Type:Biaxial (-)
RI values: nα = 1.695 nβ = 1.714 nγ = 1.731
Maximum Birefringence:δ = 0.036

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:relatively strong

Chemical Properties of Protomangano-ferro-anthophyllite

Formula:
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Essential elements:Fe, H, Mn, O, Si
All elements listed in formula:Fe, H, Mn, O, Si

Relationship of Protomangano-ferro-anthophyllite to other Species

Member of:Mg-Fe-Mn-Li Ortho-Amphibole Subgroup > Amphibole Group
Other Members of Group:

- +
Anthophyllite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Ferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Ferrogedrite
☐{Fe
2+
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Gedrite
☐{Mg
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Holmquistite
☐{Li
 
2
}{Mg
 
3
Al
 
2
}(Si
 
8
O
 
22
)(OH)
 
2
Protoferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodic-ferro-anthophyllite
{Na}{NaFe
2+
 
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodic-ferrogedrite
{Na}{Fe
2+
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Sodicanthophyllite
{Na}{NaMg}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodicgedrite
{Na}{Mg
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
9.DD.05Ferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Ferrogedrite
☐{Fe
2+
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DD.05Gedrite
☐{Mg
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DD.05Holmquistite
☐{Li
 
2
}{Mg
 
3
Al
 
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Protoferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Sodicanthophyllite
{Na}{NaMg}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Sodic-ferro-anthophyllite
{Na}{NaFe
2+
 
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Sodic-ferrogedrite
{Na}{Fe
2+
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DD.05Sodicgedrite
{Na}{Mg
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DD.05Ferroholmquistite
☐{Li
 
2
}{Fe
2+
3
Al
 
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DD.05Protoanthophyllite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2

Other Names for Protomangano-ferro-anthophyllite

Synonyms:
IMA1986-007
Other Languages:
Japanese:プロトマンガノ鉄直閃石
Russian:Протоманганоферроантофиллит

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Protomangano-ferro-anthophyllite

Reference List:

- +
Physics and Chemistry of Minerals: 25: 366-377.

American Mineralogist (1999): 84: 196.

Sueno, S., Matsuura, S., Bunno, M., and Kurosawa, M. (2002) Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferroanthophyllite from Cheyenne Canyon and Cheyenne Mountain, U.S.A. and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of Mineralogical and Petrological Sciences: 97: 127-136.

Hawthorne, Frank C., and Roberta Oberti (2006), On the classification of amphiboles: Canadian Mineralogist:
44(1): 1-21.

Internet Links for Protomangano-ferro-anthophyllite

Search Engines:
  • Look for Protomangano-ferro-anthophyllite on Google
  • Look for Protomangano-ferro-anthophyllite images on Google
    • External Links:
  • Look for Protomangano-ferro-anthophyllite on Webmineral
  • Look for Protomangano-ferro-anthophyllite on Athena Mineralogy
  • Look for Protomangano-ferro-anthophyllite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • High-end worldwide specimens & outstanding customer service
  • Search for minerals at Heliodor
  • Buy RARE Minerals from Rocks of Africa
  • Wilensky Fine Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Weinrich Minerals, Inc.
  • The Arkenstone - Fine Minerals
  • Top quality minerals from Kristalle of California
  • Rare and Unusual minerals at Mineralogical Research Company
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Search for Protomangano-ferro-anthophyllite from all mineral dealers at minfind.com
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Protomangano-ferro-anthophyllite

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Tochigi Prefecture
          • Kanuma City
            • Awano
    		AmMin 84:196; Journal of Mineralogical and Petrological Sciences: 97: 127-136.
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
            • Iizaka (Iisaka) Village
    		Am.Min. 84: 196; Lapis 2002(11): 12; Journal of Mineralogical and Petrological Sciences: 97: 127-136.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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: 29th Aug 2011 18:34:56
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds