Diaspore - Wikipedia
网页Diaspore (/ ˈdaɪ.əˌspɔːr /) – also called diasporite, empholite, kayserite, or tanatarite – is an aluminium hydroxide oxide mineral, α-AlO (OH), crystallizing in the orthorhombic system and isomorphous with goethite.
Diaspore (botany) - Wikipedia
网页In botany, a diaspore is a plant dispersal unit consisting of a seed or spore plus any additional tissues that assist dispersal. In some flowering plants, the diaspore is a seed and fruit together, or a seed and elaiosome. In a few plants, the diaspore is most or all of the plant, and is known as a tumbleweed.
Diaspore (Zultanite) | Properties, Formation, Occurrence » Geology
网页2024年7月1日 · Diaspore, also known as Zultanite or Csarite, is a unique and relatively rare mineral that belongs to the oxide mineral group. It is valued for its remarkable color-changing properties and its use as a gemstone.
The Gemstone Diaspore - The Mineral and Gemstone Kingdom
网页The Gemstone Diaspore. Diaspore as a mineral has been around since its discovery as a species in 1801, but it wasn't until the 1970's that this mineral was first faceted for gemstone use. From the 1970's through 2005 occasional gems were cut from Diaspore for collectors, but in 2006 this mineral started being mined specifically for gemstone use.
Diaspore: Mineral information, data and localities. - mindat.org
网页Beware! Certain dealers (especially on eBay) have been offering samples of a whitish-metallic feathery material as "diaspore". It appears to be metallic aluminium plumes formed from metal dripping from smelters, and is neither diaspore nor a mineral. Visit gemdat.org for gemological information about Diaspore.
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硬水铝石 - 百度百科
网页硬水铝石是 铝 的 氧化物 矿物，一般为白色、灰色、无色，含 杂质 时可呈红、褐等颜色。. 具有玻璃光泽，坚硬。. 硬水铝石矿石反浮选的新进展铝是地壳中丰富程度为第三的元素，是文明社会中最常使用的金属元素之一。. 由于铝合金具有高度的耐腐蚀性和 ...
The Mineral diaspore - The Mineral and Gemstone Kingdom
网页Diaspore is one of the three component minerals of the economically important aluminum ore Bauxite. Though most forms of this mineral are not of much interest to the collector, large exceptional crystals unlike any others were found in Turkey in the 1950's in a commercial Bauxite deposit.
Diaspore - an overview | ScienceDirect Topics
网页Diaspore is the primary type of bauxite in China, and it contains 37.4%–74.0% of Al 2 O 3 and 3.5%–32.2% of SiO 2 [5,18–22,24]. The average Al 2 O 3 content of bauxites in Guangxi varies between 52.3% and 62.4%, and the average Fe 2 O 3 and SiO 2 contents range between 15.0%–24.5% and 3.5%–8.3%.
Diaspore | Aluminum Oxide, Hydrated Alumina & Trigonal Structure
网页Diaspore, white or grayish, hard, glassy aluminum oxide mineral (HAlO2) that is associated with corundum in emery and is widespread in laterite, bauxite, and aluminous clays. It is abundant in Hungary, South Africa, France, Arkansas, and Missouri. Diaspore is dimorphous with boehmite (i.e., it has.