| slovo | definícia |
Geyserite
(gcide) | Geyserite \Gey"ser*ite\ (g[imac]"z[~e]r*[imac]t or
g[imac]"s[~e]r*[imac]t; 277), n. [From Geyser.] (Min.)
A loose hydrated form of silica, a variety of opal, deposited
in concretionary cauliflowerlike masses, around some hot
springs and geysers.
[1913 Webster] |
geyserite
(gcide) | Opal \O"pal\, n. [L. opalus: cf. Gr. ?, Skr. upala a rock,
stone, precious stone: cf. F. opale.] (Min.)
A mineral consisting, like quartz, of silica, but inferior to
quartz in hardness and specific gravity.
[1913 Webster]
Note: The precious opal presents a peculiar play of colors
of delicate tints, and is highly esteemed as a gem. One
kind, with a varied play of color in a reddish ground,
is called the harlequin opal. The fire opal has
colors like the red and yellow of flame. Common opal
has a milky appearance. Menilite is a brown impure
variety, occurring in concretions at Menilmontant, near
Paris. Other varieties are cacholong, girasol,
hyalite, and geyserite.
[1913 Webster] |
| | podobné slovo | definícia |
geyserite
(gcide) | Geyserite \Gey"ser*ite\ (g[imac]"z[~e]r*[imac]t or
g[imac]"s[~e]r*[imac]t; 277), n. [From Geyser.] (Min.)
A loose hydrated form of silica, a variety of opal, deposited
in concretionary cauliflowerlike masses, around some hot
springs and geysers.
[1913 Webster]Opal \O"pal\, n. [L. opalus: cf. Gr. ?, Skr. upala a rock,
stone, precious stone: cf. F. opale.] (Min.)
A mineral consisting, like quartz, of silica, but inferior to
quartz in hardness and specific gravity.
[1913 Webster]
Note: The precious opal presents a peculiar play of colors
of delicate tints, and is highly esteemed as a gem. One
kind, with a varied play of color in a reddish ground,
is called the harlequin opal. The fire opal has
colors like the red and yellow of flame. Common opal
has a milky appearance. Menilite is a brown impure
variety, occurring in concretions at Menilmontant, near
Paris. Other varieties are cacholong, girasol,
hyalite, and geyserite.
[1913 Webster] |
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