A pleistocene-Holocene volcanic island composed mainly of rhyolite and associated pyroclastics. Maximum elevation 572 metres.

The island is part of the Izu archipelago and the Fuji-Hakone-Izu National Park.

Last eruption in 838 AD.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Osumilite

1 valid mineral.

Detailed Mineral List:

ⓘ Osumilite

Formula: K◻₂Fe²⁺₂Al₃[Al₂Si₁₀O₃₀]

References:

photo in: Koubutsu Doshikai (2017) Kanto-to Shuhen-no Koubutsu (279pp).

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Osumilite	9.CM.05	K◻₂Fe²⁺₂Al₃[Al₂Si₁₀O₃₀]

List of minerals for each chemical element

O	Oxygen
O	ⓘ Osumilite	K◻₂Fe₂²⁺Al₃[Al₂Si₁₀O₃₀]
Al	Aluminium
Al	ⓘ Osumilite	K◻₂Fe₂²⁺Al₃[Al₂Si₁₀O₃₀]
Si	Silicon
Si	ⓘ Osumilite	K◻₂Fe₂²⁺Al₃[Al₂Si₁₀O₃₀]
K	Potassium
K	ⓘ Osumilite	K◻₂Fe₂²⁺Al₃[Al₂Si₁₀O₃₀]
Fe	Iron
Fe	ⓘ Osumilite	K◻₂Fe₂²⁺Al₃[Al₂Si₁₀O₃₀]

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/K%C5%8Dzu-shima
Wikidata ID:	Q1346527
GeoNames ID:	1858558

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