Strashimirite

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title: "Strashimirite" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["copper-minerals", "arsenate-minerals", "hydroxide-minerals", "pentahydrate-minerals", "minerals-in-space-group-3", "minerals-in-space-group-6", "minerals-in-space-group-10", "monoclinic-minerals", "minerals-described-in-1968"] description: "Rare monoclinic mineral" topic_path: "general/copper-minerals" source: "https://en.wikipedia.org/wiki/Strashimirite" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Rare monoclinic mineral ::

::data[format=table title="Infobox mineral"]

Field	Value
name	Strashimirite
category	Arsenate mineral
image	Strashimirite-88588.jpg
imagesize	260px
caption	Strashimirite from Schwarzleo District, Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria
formula
IMAsymbol	Ssh
dana	42.6.5.1
strunz	8.DC.12 (10 ed)
7/D.07-20 (8 ed)
system	Monoclinic
Unknown space group
symmetry	P2/m, P2, or Pm
unit cell	a = 9.71 Å, b = 18.81 Å
c = 8.94 Å; β = 97.2°; Z = 3
color	White, pale green
habit	Elongated, tabular crystals; crusts; radiating aggregates
cleavage	Parting at right angle to elongation
mohs	2.5–3
luster	Greasy, pearly
refractive	nα = 1.726 nγ = 1.747
opticalprop	Biaxial (−)
birefringence	δ = 0.021
2V	70°
pleochroism	Weak; Y = very pale yellowish green; Z = yellowish green
gravity	3.67 (calculated)
diaphaneity	Semitransparent
references
::

| name = Strashimirite | category = Arsenate mineral | boxwidth = | boxbgcolor = | image = Strashimirite-88588.jpg | imagesize = 260px | caption = Strashimirite from Schwarzleo District, Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria Field of view 4 mm. Depth of field is achieved with CombineZM. Specimen and photo Leon Hupperichs. | formula = | IMAsymbol = Ssh | dana = 42.6.5.1 | strunz = 8.DC.12 (10 ed) 7/D.07-20 (8 ed) | system = Monoclinic Unknown space group | symmetry = P2/m, P2, or Pm | unit cell = a = 9.71 Å, b = 18.81 Å c = 8.94 Å; β = 97.2°; Z = 3 | color = White, pale green | habit = Elongated, tabular crystals; crusts; radiating aggregates | twinning = | cleavage = Parting at right angle to elongation | fracture = | tenacity = | mohs = 2.5–3 | luster = Greasy, pearly | polish = | refractive = nα = 1.726 nγ = 1.747 | opticalprop = Biaxial (−) | birefringence = δ = 0.021 | 2V = 70° | dispersion = | pleochroism = Weak; Y = very pale yellowish green; Z = yellowish green | fluorescence= | absorption = | streak = | gravity = 3.67 (calculated) | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Semitransparent | other = | references =

Strashimirite (IMA symbol: Ssh) is a rare monoclinic mineral containing arsenic, copper, hydrogen, and oxygen. It has the chemical formula .

This mineral was discovered in Zapachitsa (Zapacica) copper deposit, Svoge, Sofia Oblast, Bulgaria in 1960, by Bulgarian mineralogist Jordanka Minčeva-Stefanova. She named it after Strashimir Dimitrov (1892–1960), Professor in Mineralogy and Petrography at Sofia University "St Kliment Ohridski", Bulgaria. The International Mineralogical Association approved it as a new mineral in 1968.

It occurs as a secondary mineral phase in the oxidation zone of copper arsenide deposits. It occurs associated with tyrolite, cornwallite, clinoclase, euchroite, olivenite, parnauite, goudeyite, arthurite, metazeunerite, chalcophyllite, cyanotrichite, scorodite, pharmacosiderite, brochantite, azurite, malachite and chrysocolla.

Although it remains quite rare, strashimirite has subsequently been identified in a number of locations including: Novoveska Huta in the Czech Republic; on the west flank of Cherbadung (Pizzo Cervandone), Binntal, Valais, Switzerland; in Kamsdorf and Saalfeld, Thuringia, Germany; the Clara mine, near Oberwolfach, Black Forest, Germany; in the Richelsdorf Mountains, Hesse, Germany; Cap Garonne mine, near le Pradet, Var, and Triembach-au-Val, Haut-Rhin, France; Wheals Gorland and Unity, Gwennap, Cornwall, England; the Tynagh mine, near Loughrea, Co. Galway, Ireland; the Majuba Hill mine, Antelope district, Pershing Co. Nevada, US; and the Centennial Eureka mine, Tintic district, Juab Co., Utah, US.

Notes

::figure[src="https://upload.wikimedia.org/wikipedia/commons/7/78/Exhibition_of_Strashimirite,_Tyrolite_from_Zapatchitza_deposit,_coll._M.Maleev-_Earth_and_Man_National_Museum,_Bulgaria.jpg" caption="Exhibition of Strashimirite, [[Tyrolite]] from Zapatchitza deposit, coll. M. Maleev - [[Earth and Man National Museum]], Bulgaria"] ::

References

1. Warr, L.N.. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine.
2. "Information page for Strashimirite". Handbook of Mineralogy.
3. "Information page for Strashimirite". Mindat.
4. "Information page for Strashimirite". Webmineral.
5. "Information about Strashimirite". RRUFF Database.
6. "Strashimirite". Mineralienatlas Lexicon.
7. Warr, L.N.. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine.
8. Mincheva-Stefanova, I.. (1968). "Strashimirite - a new hydrous copper arsenate". Zapiski RMO (Proceedings of the Russian Mineralogical Society).
9. (2009). "Vibrational spectroscopic study of the arsenate mineral strashimirite Cu8(AsO4)4(OH)4.5H2O - relationship to other basic copper arsenates". Vibrational Spectroscopy.
10. Fleischer, Michael. (1969). "New Mineral Names". The American Mineralogist.
11. (2001). "Infrared Spectroscopic Study of Strashimirite". Comptes Rendus de l'Académie Bulgare des Sciences.

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