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Proto-ferro-suenoite

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Formula:
☐{Mn22+}{Fe52+}(Si8O22)(OH)2
Suenoite has Mn as the dominant in the B position. It is a orthorhombic amphiboles in the magnesium-iron-manganese amphibole subgroup. The minerals in this root name group may have either Pnma or Pnmn (proto- prefixed name) space group symmetry. The suenoite is defined with A(Na+K+2Ca)<0.5 apfu and C(Al+Fe3++2Ti)<1 apfu.

Proto-ferro-suenoite is defined with Pnmn symmetry and and Fe2+ as the dominant element in the C position.
System:
Orthorhombic
Colour:
White to brownish-grey.
Lustre:
Vitreous
Hardness:
5½ - 6
Name:
Named after Professor Shigeho Sueno (1937–2001), Professor
of Mineralogy at the University of Tsukuba and fellow of the Mineralogical Society of America
This page provides mineralogical data about Proto-ferro-suenoite.

Classification of Proto-ferro-suenoite

Approved
8/F.12-160
9.DD.05

9 : SILICATES (Germanates)
D : Inosilicates
D : Inosilicates with 2-periodic double chains, Si4O11; Orthoamphiboles
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Type Occurrence of Proto-ferro-suenoite

Physical Properties of Proto-ferro-suenoite

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

Crystallography of Proto-ferro-suenoite

Crystal System:
Orthorhombic

Optical Data of Proto-ferro-suenoite

Type:
Biaxial (-)
RI values:
nα = 1.695 nβ = 1.714 nγ = 1.731
Max Birefringence:
δ = 0.036
Image 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 Proto-ferro-suenoite

Formula:
☐{Mn22+}{Fe52+}(Si8O22)(OH)2

Suenoite has Mn as the dominant in the B position. It is a orthorhombic amphiboles in the magnesium-iron-manganese amphibole subgroup. The minerals in this root name group may have either Pnma or Pnmn (proto- prefixed name) space group symmetry. The suenoite is defined with A(Na+K+2Ca)<0.5 apfu and C(Al+Fe3++2Ti)<1 apfu.

Proto-ferro-suenoite is defined with Pnmn symmetry and and Fe2+ as the dominant element in the C position.
Essential elements:
All elements listed in formula:

Relationship of Proto-ferro-suenoite to other Species

Other Members of Group:
Anthophyllite Root Name☐{X2}{Z5}(Si8O22)(OH)2
Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Gedrite Root Name☐{X22+}{Z32+Z23+}(Al2Si6O22)(OH)2
Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Manganocummingtonite☐{Mn22+}{Mg5}(Si8O22)(OH)2
Manganogrunerite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
Sodic-ferro-anthophyllite{Na}{Fe22+}{Fe52+}(AlSi7O22)(OH)2
Sodic-ferrogedrite{Na}{Fe22+}{Fe32+Al2}(Al3Si5O22)(OH)2
Sodicanthophyllite{Na}{Mg2}{Mg5}(AlSi7O22)(OH)2
Sodicgedrite{Na}{Mg2}{Mg3Al2}(Al3Si5O22)(OH)2
9.DD.05Ferro-anthophyllite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
9.DD.05Ferro-gedrite☐{Fe22+}{Fe32+Al2}(Al2Si6O22)(OH)2
9.DD.05Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
9.DD.05Holmquistite☐{Li2}{Mg3Al2}(Si8O22)(OH)2
9.DD.05Sodicanthophyllite{Na}{Mg2}{Mg5}(AlSi7O22)(OH)2
9.DD.05Sodic-ferro-anthophyllite{Na}{Fe22+}{Fe52+}(AlSi7O22)(OH)2
9.DD.05Sodic-ferrogedrite{Na}{Fe22+}{Fe32+Al2}(Al3Si5O22)(OH)2
9.DD.05Sodicgedrite{Na}{Mg2}{Mg3Al2}(Al3Si5O22)(OH)2
9.DD.05Ferro-holmquistite☐{Li2}{Fe32+Al2}(Si8O22)(OH)2
9.DD.05Proto-anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2

Other Names for Proto-ferro-suenoite

Other Information

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

References for Proto-ferro-suenoite

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.

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

Internet Links for Proto-ferro-suenoite

Localities for Proto-ferro-suenoite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Honshu Island
    • Kanto Region
      • Tochigi Prefecture
        • Kanuma City
          • Awano
AmMin 84:196; Journal of Mineralogical and Petrological Sciences: 97: 127-136.; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
    • Tohoku Region
      • Fukushima Prefecture
        • Kawamata
          • Iizaka Village (Iisaka)
Am.Min. 84: 196; Lapis 2002(11): 12; Journal of Mineralogical and Petrological Sciences: 97: 127-136.; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Mineral and/or Locality  
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