answersLogoWhite

0

What is opal the rockmade out of?

User Avatar

Anonymous

9y ago
Updated: 8/20/2019

Opal is a hydrated, amorphous form of silica, ie sand. Silicon Dioxide, SiO2.

Rather than a crystal formation, opal consists of tiny, tightly packed spheres of SiO2, with 3% to 20% of the mineral's weight as molecular water trapped amongst them.

User Avatar

Wiki User

9y ago

What else can I help you with?

Related Questions

Are there different kinds of opal?

The types of Opal that i am familiar with are White Opal, Fire Opal, Boulder Opal, Black Opal, Crystal Opal, Light Opal, Doublet Opal, Triplet Opal, Common Opal, Synthetic Opal, and Immitation Opal.


How many types of opals are there?

There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.


What is another name for opal?

Another name for opal is "fire opal."


What is the fracture of opal?

The fracture of an opal can be hard or smooth , An opal can have as many fractures as any other mineral can . Sometimes opal can be smooth , sometimes they can be hard . The fracture of an opal is hard and smooth .


What is boulder opal?

Boulder opal is distinct from black opal in the following ways: * Boulder opal is usually mined in open-cut operations while black opal is mined in shafts. * Boulder opal is found in ironstone boulders, while black opal is found in seams.


Who are the main character in because of winn dixie?

India Opal Buloni (Opal) The Preacher (Opal's father) Winn-Dixie (Opal's dog)


What are the ingredience in black opal?

black and opal


Does opal scratch easily?

depens on the opal


When was The Opal created?

The Opal was created in 1851.


When did The Opal end?

The Opal ended in 1860.


Is opal common?

Depends on what kind of opal


What did people used to call starbursts?

I think they were called "Opal Fruits." Opal fruits is the answer. The ad jingle was ''Opal Fruits, made to make your mouth water''.