...From the description of the rock I received, I suppose gold is found both in clay shale and quartz... 
David Livingstone 「Missionary Travels and Researches in South Africa」
... When drawing near the valley of Ungerengeri, granite knobs and protuberances of dazzling quartz showed their heads above the reddish soil...
Henry M. Stanley 「How I Found Livingstone」
...—West through open forest; very undulating, and thepath full of angular fragments of quartz...
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...Beyond it the land forms, as in Yoruba, lines of crescents bulging west or seaward, quartz and pebbles showing here and there an old true coast...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
..." Quartz, before in lines and bands, now appears in masses: the "Coal Rock," which the chart places near Insála (Bechope Point) on the northern bank, was probably submerged...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...Between wood and wave lay powdered sandstone of lively yellow, mixed with bright white quartz and débris of pink shells...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1」
...I had brought Campbell out to show him the piecesof quartz, and he witnessed the last incidentwith me...
George Murray Levick 「Antarctic Penguins」
...Its color is light, sometimes white, and the componentpebbles are small and mostly of white quartz...
W. E. Webb 「Buffalo Land」
...Some of these are too precipitous to sustain vegetation, others aremasses of quartz and granite...
Douglas Dewar 「Birds of the Indian Hills」
...To this day aHottentot priest never uses an iron knife, but always a sharpsplint of quartz, in sacrificing an animal or circumcising a lad...
Sir James George Frazer 「The Golden Bough」
...Armlet of quartz crystal used in the formation of the medicinewater of secret orders...
James Stevenson 「Illustrated Catalogue of the Collections Obtained」
...In this group calc-spar or dolomitewholly replaces the quartz and films of argillaceous matter, of which,especially in Scotland, micaceous schist is usually composed...
Hugh Macmillan 「Roman Mosaics」
...He stopped once to kick contemptuously at a vein of quartz...
Various 「Astounding Stories, May, 1931」
...Had Polter stolen thatmissing fragment of golden quartz the size of a walnut which had beenbeneath Dr...
Various 「Astounding Stories, March, 1931」
...Even in my elation, I could not but feel unwilling admiration for thismonstrous thing of metal and quartz, imbued with an intelligence thatcould think more coolly and quickly than most humans...
Various 「Astounding Stories, July, 1931」
...Like the buildings they had seen, thisalso constructed of opalescent quartz...
Various 「Astounding Stories of Super-Science, December 1930」
ランダム例文：
gate pentagonal pedestrian
便利！手書き漢字入力検索
この漢字は何でしょう？？