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Långharsholmen, Alnö, Sundsvall, Medelpad, Sweden

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Latitude & Longitude (WGS84): 62° 28' 8'' North , 17° 28' 23'' East
Latitude & Longitude (decimal): 62.46910,17.47327
GeoHash:G#: u7h7ms5su
Other regions containing this locality:Scandinavia
Köppen climate type:Dfc : Subarctic climate
Name(s) in local language(s):Långharsholmen, Sundsvalls kommun, Medelpad, Sverige
Other/historical names associated with this locality:Långörsholmen, Långarsholmen


This locality is called Långörsholmen in the original texts about knopite. A modern search of that name comes up with no hits. A bit of research reveals that the name has been changing over the ages. An even older way of spelling the name was Långarsholmen. Apparently the spelling was changed again because now the locality is known under the name of Långharsholmen.
The older "Långörsholmen" version is literally translated into "Long gravel island" while the modern spelling is just a name with roots in the old spelling.

Långharsholmen is today a natural reserve and collecting on the island is not allowed.

Similar material as on the island can also be found as loose rocks at the Alnön island facing the Långharsholmen.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Perovskite
Formula: CaTiO3
Reference: Holmquist, P.J. (1894): Knopit, ett perowskit närstående, et nytt mineral från Alnön. Geologiska Föreningen i Stockholm Förhandlingar. 16 : 73-95; Clark, 1993 - "Hey's Mineral Index", 365
Perovskite var: Knopite
Formula: (Ca,Ce,Na)(Ti,Fe)O3
Reference: Holmquist, P.J. (1894): Knopit, ett perowskit närstående, et nytt mineral från Alnön. Geologiska Föreningen i Stockholm Förhandlingar. 16 : 73-95; Clark, 1993 - "Hey's Mineral Index", 365

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Perovskite4.CC.30CaTiO3
var: Knopite4.CC.30(Ca,Ce,Na)(Ti,Fe)O3

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Perovskite4.3.3.1CaTiO3
Unclassified Minerals, Rocks, etc.
var: Knopite-(Ca,Ce,Na)(Ti,Fe)O3

List of minerals for each chemical element

OOxygen
O Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3
O PerovskiteCaTiO3
NaSodium
Na Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3
CaCalcium
Ca Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3
Ca PerovskiteCaTiO3
TiTitanium
Ti Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3
Ti PerovskiteCaTiO3
FeIron
Fe Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3
CeCerium
Ce Perovskite (var: Knopite)(Ca,Ce,Na)(Ti,Fe)O3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Holmquist, P.J. (1894): Knopit, ett perowskit närstående, et nytt mineral från Alnön. Geologiska Föreningen i Stockholm Förhandlingar. 16 : 73-95


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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