问：
验玉的方法是么什生肖
答：
验玉主要有以下几种方法:
观察色泽:高质量的玉石色泽鲜艳均匀,低质量的色泽较暗淡不均。观察玉石的色彩和光泽,判断是否天然和高品质。
敲击声响:高品质的玉石敲击声响清脆,低质量的敲击声响较粗鄙。用指甲或其他硬物轻敲玉石,判断其敲击声是否清脆悦耳,来判断玉石的致密性和品质。
观察结晶:高品质玉石的晶体较规则并均匀分布,低质量的晶体粗大初生,分布不均。用放大镜观察玉石的晶体粒度、形态和分布情况,判断玉石的品质。
观察折射率:折射率高的玉石折射现象比较 obvious,折射率低的玉石折射效果差。基于折射率高低和折射效果,判断玉石的品质。
划玉试硬度:划�<EOT>Xavier University
Exhibit
Course Catalogs
Archives and Library Special Collections
8-1932
1932 Xavier University College of Arts and Sciences Course
Catalog
Xavier University, Cincinnati, OH
Follow this and additional works at: https://www.exhibit.xavier.edu/coursecatalog
Recommended Citation
Xavier University, Cincinnati, OH, "1932 Xavier University College of Arts and Sciences Course Catalog"
(1932). Course Catalogs. 267.
This Book is brought to you for free and open access by the Archives and Library Special Collections at Exhibit. It
has been accepted for inclusion in Course Catalogs by an authorized administrator of Exhibit. For more information,
please contact exhibit@xavier.edu.
XAVIER UNIVERSITY
BULLETIN
PUBLISHED QUARTERLY BY
XAVIER UNIVERSITY
CINCINNATI, OHIO
NEW SERIES, VOL. XVI.
AUGUST, 1932
No.3
THE COLLEGE OF ARTS AND SCIENCES
EVANSTON STATION
CATALOGUE 1932-1933
Schedules of Courses for 1932-1933 Now Ready
Entered as second-class matter July 26, 1917, at the post office at
Cincinnati, Ohio, und'er the Act of August 24, 1912.
Acceptance for mailing at special rate of postage provided for
in Section 1103, Act of October 3, 1917, authorized July 8, 1918.
CALENDAR FOR THE YEAR 1932
JANUARY
FEBRUARY
MARCH
SMTWTFS
SMTWTFS
SMTWTFS
APRIL
MAY
JUNE
SMTWTFS
SMTWTFS
SMTWTFS
JULY
AUGUST
SEPTEMBER
SMTWTFS
SMTWT};'S
SMTWTFS
SMTWTFS
1
2345678
9 10 11 12 13 14 15
16 1718 1921 22 ~3
24 25 26 27 28 29 30
31
OCTOBER
1
7 8
14 15
21 22
28 29
23456
9 10 11 12 13
16 17 18 19 20
23 24 25 26 27
30 31
1
2345678
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
1 2
3456789
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
1
2345678
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31
NOVEMBER
DECEMBER
SMTWTFS
SMTWTFS
1 2
3
4
5
1 2 3
6
13
20