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

Trabzonite

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



Formula:
Ca
 
4
(Si
 
3
O
 
10
) · 2H
 
2
O
System:MonoclinicColour:Colourless
Name:Named after its discovery locality, Ikizdere, NW of Varda Yaylasi, near Trabzon, Turkey.


Probably related to dellaite.

Classification of Trabzonite

IMA status:Approved 1983
Strunz 8th edition ID:8/C.28-20
Nickel-Strunz 10th (pending) edition ID:9.BJ.15

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID:57.1.3.1

57 : SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups
1 : Insular Si3O10 and Larger Noncyclic Groups with [Si3O10] groups
Hey's CIM Ref.:14.5.20

14 : Silicates not Containing Aluminum
5 : Silicates of Ca
mindat.org URL:http://www.mindat.org/min-4005.html
Please feel free to link to this page.

Type Occurrence of Trabzonite

Type Locality:Güneyce-Ikizdere, Rize Province, Black Sea Region, Turkey
Year of Discovery:1986

Physical Properties of Trabzonite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless

Crystallography of Trabzonite

Crystal System:Monoclinic
Cell Parameters:a = 6.89Å, b = 20.64Å, c = 6.92Å
β = 98°
Ratio:a:b:c = 0.334 : 1 : 0.335
Unit Cell Volume:V 974.51 ų (Calculated from Unit Cell)

Optical Data of Trabzonite

Type:Biaxial (+)
RI values: nα = 1.632 nβ = 1.634 nγ = 1.640
2V:Measured: 55° to 60°, Calculated: 62°
Maximum Birefringence:δ = 0.008

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:weak to distinct

Chemical Properties of Trabzonite

Formula:
Ca
 
4
(Si
 
3
O
 
10
) · 2H
 
2
O
Essential elements:Ca, H, O, Si
All elements listed in formula:Ca, H, O, Si
Common Impurities:Al,Mn,Mg,Na

Relationship of Trabzonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BJ.05Orientite
Ca
 
2
Mn
2+
 
Mn
3+
2
(Si
 
3
O
 
10
)(OH)
 
4
9.BJ.10Rosenhahnite
HCa
 
3
[Si
 
3
O
 
9
(OH)]
9.BJ.20Thalénite-(Y)
Y
 
3
(Si
 
3
O
 
10
)(OH)
9.BJ.20Fluorthalénite-(Y)
Y
 
3
(Si
 
3
O
 
10
)F
9.BJ.25Tiragalloite
Mn
2+
4
(HAsSi
 
3
O
 
13
)
9.BJ.30Medaite
(Mn,Ca)
 
6
(V,As)Si
 
5
O
 
18
OH
9.BJ.35Ruizite
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
9.BJ.40Ardennite-(As)
Mn
2+
4
(Al,Mg)
 
6
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(AsO
 
4
,VO
 
4
)(OH)
 
6
9.BJ.40Ardennite-(V)
Mn
2+
4
Al
 
4
(Mg,Al,Fe
3+
 
,Mn
3+
 
)
 
2
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(VO
 
4
,SiO
 
4
)(OH)
 
6
9.BJ.45Kilchoanite
Ca
 
3
Si
 
2
O
 
7
9.BJ.50Kornerupine
Mg
 
3
Al
 
6
(Si,Al,B)
 
5
O
 
21
(OH)
9.BJ.50Prismatine
(◻,Fe,Mg)(Mg,Al,Fe)
 
5
Al
 
4
Si
 
2
(Si,Al)
 
2
(B,Si,Al)(O,OH,F)
 
22
9.BJ.55Zunyite
Al
 
13
Si
 
5
O
 
20
(OH,F)
 
18
Cl
9.BJ.60Hubeite
Ca
 
2
Mn
2+
 
Fe
3+
 
[HSi
 
4
O
 
13
] · 2H
 
2
O
9.BJ.65Cassagnaite
(Ca,Mn
2+
 
)
 
4
(Fe
3+
 
,Mn
3+
 
,Al)
 
4
(V
3+
 
,Mg,Al)
 
2
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(OH,O)
 
8
Related Minerals - Hey's Index Grouping:

- +
14.5.1Wollastonite
CaSiO
 
3
14.5.2Wollastonite-7T
14.5.3Wollastonite-2M
CaSiO
 
3
14.5.4Rankinite
Ca
 
3
Si
 
2
O
 
7
14.5.5Kilchoanite
Ca
 
3
Si
 
2
O
 
7
14.5.6Larnite
Ca
 
2
SiO
 
4
14.5.7Bredigite
Ca
 
7
Mg(SiO
 
4
)
 
4
14.5.8Hatrurite
Ca
 
3
(SiO
 
4
)O
14.5.9Rosenhahnite
HCa
 
3
[Si
 
3
O
 
9
(OH)]
14.5.10Dellaite
Ca
 
6
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
14.5.11Afwillite
Ca
 
3
(HSiO
 
4
)
 
2
 · 2H
 
2
O
14.5.12Xonotlite
Ca
 
6
(Si
 
6
O
 
17
)(OH)
 
2
14.5.13Foshagite
Ca
 
4
(Si
 
3
O
 
9
)(OH)
 
2
14.5.14Hillebrandite
Ca
 
2
(SiO
 
3
)(OH)
 
2
14.5.15Jaffeite
Ca
 
6
(Si
 
2
O
 
7
)(OH)
 
6
14.5.16Suolunite
Ca
 
2
(H
 
2
Si
 
2
O
 
7
) · H
 
2
O
14.5.17Killalaite
Ca
 
3
(Si
 
2
O
 
7
) · 0.5H
 
2
O
14.5.18Okenite
CaSi
 
2
O
 
5
 · 2H
 
2
O
14.5.19Riversideite
Ca
 
5
(HSi
 
3
O
 
9
)
 
2
 · 2H
 
2
O
14.5.21Gyrolite
Ca
 
4
(Si
 
6
O
 
15
)(OH)
 
2
 · 3H
 
2
O
14.5.22Foshallasite
Ca
 
3
[Si
 
2
O
 
7
] · 3H
 
2
O(?)
14.5.23Tobermorite
Ca
 
4+x
(H
 
2-2x
Si
 
6
O
 
17
) · 5H
 
2
O
14.5.24Clinotobermorite
Ca
 
5
(Si
 
6
O
 
17
) · 5H
 
2
O
14.5.25Nekoite
Ca
 
3
Si
 
6
O
 
15
·7H
 
2
O
14.5.26Plombièrite
Ca
 
5
(HSi
 
3
O
 
9
)
 
2
 · 7H
 
2
O
14.5.27Jennite
Ca
 
9
(Si
 
3
O
 
9
)
 
2
(OH)
 
8
 · 8H
 
2
O

Other Names for Trabzonite

Synonyms:
IMA1983-071a
Other Languages:
German:Trabzonit
Spanish:Trabzonita

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 Trabzonite

Reference List:

- +
Schweizerische mineralogische und petrographische Mitteilungen (1986): 66:
453.

American Mineralogist (1988): 73: 1497.

Armbruster, T., Lazic, B., Gfeller, F., Galuskin, E.V., Galuskina, I.O., Savelyeva, V.B., Zadov, A.E., Pertsev, N.N., Dzierżanowski, P. (2011): Chlorine content and crystal chemistry of dellaite from the Birkhin gabbro massif, Eastern Siberia, Russia. Mineralogical Magazine, 75, 379-394.

Internet Links for Trabzonite

Search Engines:
  • Look for Trabzonite on Google
  • Look for Trabzonite images on Google
    • External Links:
  • Look for Trabzonite on Webmineral
  • Look for Trabzonite on Athena Mineralogy
  • Look for Trabzonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Trabzonite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy RARE Minerals from Rocks of Africa
  • Fabre Minerals - search for Trabzonite specimens
  • SpiriferMinerals.com - high quality low prices
  • Top quality minerals from Kristalle of California
  • Rare and Unusual minerals at Mineralogical Research Company
  • Wilensky Fine Minerals
  • Find Trabzonite on www.crystalclassics.co.uk
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • webminerals
  • The Arkenstone - Fine Minerals
  • High-end worldwide specimens & outstanding customer service
  • Search for - Trabzonite - on e-Rocks Mineral Sales & Auctions
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Trabzonite

    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.
    Turkey
     
    • Black Sea Region
      • Rize Province
    		Am Min 73:11-12 p 1497
    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: 5th Aug 2011 16:48:02
    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