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Ch. 3: Precious Gem stones in 1915

Ch. 3: Precious Gem stones in 1915 Page of 73 Ch. 3: Precious Gem stones in 1915 Text size:minus plus Restore normal size   Mail page  Print this page
GEMS AND PRECIOUS STONES.                                 853
KANSAS.
Various kinds of agate and chalcedony are found in the gravel beds of the Big Blue River and its branches, on the hillsides near the river in drift, and also on the high prairie. A small production is reported by Mr. Samuel Forter, of Marysville, Kans. •
MONTANA.
Considerable quantities of moss agate, mocha stone, and various other agates were found in eastern Montana in the gravel beds along Yellowstone River. The moss agate is found in irregular pieces from 1 ounce to 10 pounds in weight, each piece being individually val­ued according to its peculiar markings. A set of cut and polished moss agates was sent to the Survey by the Hanson-Kohn Jewelry Co. (now the Kohn Jewelry Co.), of Billings, Mont. Among the best of these were 12 stones, as follows:
1.   Size, 21 by 11 millimeters. Resembles a landscape with a few scattered trees; rolling ground, with small hills. Highly translucent chalcedony; brownish-black markings. Mounted as brooch in gold.
2.  Size, 28 by 15 millimeters. Looks like woods along shore of river or lake— brush and trees 1-5 millimeters high in perfect likenesses; some in distance. Agate, highly translucent, slightly banded with bluish-gray and brownish-black markings.
3.  Size, 32 by 21 millimeters. Shows a landscape with a grove of tall trees like Lombardy poplars; high on right, low like edge of clearing on left. Trees in haze in distance. Brush from 1 millimeter to trees 10 millimeters high; ground line under trees sharp, with some brush. Bluish-gray, slightly banded chalcedony; the trees black; ground brownish black to black.
4.  Size, 48 by 21 millimeters. Resembles thicket of small brush and woods, pass­ing into brushy and grassy slope to shore of river or lake on right. Bunch of leaves or tree branches overhanging water on right. Tallest trees, 8 millimeters. Trees in distant haze. Black and brownish markings in highly translucent bluish-gray chal­cedony, showing faint bands.
5.  Size, 42 by 32 millimeters. Shows brownish-black buffalo head; 28 millimeters sweep across horns, 20 millimeters high; not perfect but easily recognizable. Mounted as fob stone.
6.  Size, 50 by 20 millimeters. Two hills, slopes covered with brush of uniform height, 1J millimeters high. Gully between hills nearly bare of brush. Two small bunches of tree branches overhanging from right corner. Other branches in haze in distance in back. Sky otherwise clear. All markings brown on translucent, bluish-gray chalcedony. No banding.
7.  Size, 33 by 20 millimeters. Shows resemblance to sand dune with wide spread­ing tree on top. Tops of trees appear over hill. Dark-brown color on translucent bluish-gray chalcedony. No banding.
8.  Size, 26 by 13 millimeters. Group of ferns, about seven distinct plants, 7-10 millimeter high and 2-3 millimeters wide. Several varieties of structure, evenly arranged. Black to dark brown on translucent bluish-gray chalcedony. No banding.
9.  Size, 34 by 19 millimeters. Group of black to dark-brown radiating fern leaves in clear, transparent, light bluish-gray chalcedony. No banding. Three main arms of fern 120° apart, with smaller leaves in between.
10.  Size, 33 by 16 millimeters. Resembles a water scene, with clear bluish-gray sky. The water edge marked by wide curving brownish band, with several groups of black trees showing reflection in water. Two small patches of sedge in foreground. Transparent, bluish-gray chalcedony. No banding.
11.   Size, 43 by 22 millimeters. "Lonesome pine." A single pine tree, the lower part of trunk clear, the upper brushy and spreading into three distinct layers, black, against faintly banded translucent, bluish-gray chalcedony. The faint banding gives a good cloud effect. Foreground, clear, brown, also faintly banded. A small irregularly shaped dark-brown flaw, to the left and slightly above horizon, somewhat mars an otherwise perfect picture.
12.  Size, 32 by 24 millimeters. Water scene. Group of islands, with trees, black to dark brown, the largest 7 millimeters high and 5 millimeters wide. Many small
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US Geol. Surv. 1915. Gemstones, Metals.
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