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Opal is made of silica, but it technically is not a mineral.

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10y ago

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What is geyserite?

Geyserite is a type of siliceous sinter, a form of opaline silica that is deposited around geysers and hot springs. It forms when hot water dissolves silica underground and then brings it to the surface where it precipitates out as the water cools, creating a characteristic white to gray mineral deposit. Geyserite can often be found encrusting the edges of geyser basins and pools.


What Phytoplankton with a glass like shell made of silica?

Diatoms are the phytoplankton with a glass-like shell made of silica. These minute algae have cell walls called frustules that are made of opaline silica, which gives them a distinctive glassy appearance. Diatoms are important primary producers in aquatic ecosystems and play a significant role in the food web.


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Opaline fallow refers to the birds that are usually sold in the Philippines. They are usually yellow, orange and blue in color.


When was Opaline - album - created?

Opaline - album - was created on 2002-04-23.


What is jang geun suk like color?

Opaline and blue


What is the scientific name of rice hull?

There is no scientific name per se for a rice hull.However, according to Wikipedia:"To protect the seed during the growing season, the hull is made of hard materials, including opaline silica and lignin.... The very high content in amorphous silica of the hulls confer to them and to their ash (SiO2 ~ 20 wt.%) after combustion very valuable properties."


Who sung with Wayne kemp in One time too many?

Opaline Bacon


What does silica content?

Any metrial or thing which containts silica in it is call silica content..


Can a Opaline gourami and a kissing gourami breed?

The Kissing gourami (Helostoma temminckii) is of a completely different species from the Opaline gourami (Trichogaster trichopterus). They are totally unrelated. The Opaline is the same species as the 'Three spot, Blue, Gold, Platinum they are all colour sports and these can be bred together. However the cross you have mentioned can not happen. The name Gourami is a name that has commonly been applied to many fish of many unrelated species and in general means a fish that has a labyrinthine system for breathing.


My opaline gourami is very mean and all ready killed 4 fish what can i do?

if its that mean put it in a separate tank


What 7 letter word has a as the third letter?

glacier, heating, crawler, elastic, feather, opaline, phantom, realist


What has the author Emily M Taylor written?

Emily M Taylor has written: 'Instructions for the soil development index template' -- subject(s): Soils, Computer programs 'Lithology, fault displacement, and origin of secondary calcium carbonate and opaline silica at trenches 14 and 14D on the Bow Ridge Fault at Exile Hill, Nye County, Nevada' -- subject(s): Faults (Geology)